177+ Terms

AI Glossary

Your go-to reference for AI terminology. Plain-English definitions, real-world examples, and context for every term.

A
View Admin Panel
Admin Panel

A private area where staff manage app content, users, and settings.

apps-softwarebeginnerunit-2
View Analytics
Analytics

Measurements and insights about user behavior and system performance.

databeginnerunit-3
View API
API

A way for software systems to communicate and share data with each other.

apis-automationbeginnerunit-4
View Action
Action

The task that happens when a trigger fires in an automation.

apis-automationbeginnerunit-4
View Authentication
Authentication

The process of proving identity to access a system.

apis-automationbeginnerunit-4
View Automation
Automation

Using technology to perform tasks without manual intervention.

apis-automationbeginnerunit-4
View AI
AI

Artificial Intelligence—software that can make predictions, generate content, or assist with decisions.

ai-literacybeginnerunit-5
View AI Agent
AI Agent

AI that can take multiple steps toward a goal, often using tools or making decisions.

ai-literacyintermediateunit-5
View AI Privacy Risk
AI Privacy Risk

The danger of exposing sensitive information to AI systems.

ai-risksbeginnerunit-7
View Access Control
Access Control

Systems and policies determining who can access what resources.

security-privacyintermediateunit-8
View Audit Log
Audit Log

A record of who did what and when in a system.

security-privacyintermediateunit-8
View A/B Test
A/B Test

Comparing two versions to see which performs better.

business-marketingintermediateunit-9
View Attribution
Attribution

Determining which marketing touchpoints deserve credit for conversions.

business-marketingintermediateunit-9
View AI Wrapper
AI Wrapper

A product layer built around another company's AI model or API.

ai-literacyintermediateunit-5
View Agentic Workflow Layer
Agentic Workflow Layer

A software layer where AI agents coordinate tasks across tools, systems, or business processes.

ai-literacyintermediateunit-5
View App Store
App Store

A marketplace where users discover, download, and update mobile or platform apps.

apps-softwarebeginnerunit-2
B
View Browser
Browser

The application used to access and view websites, like Chrome, Safari, or Firefox.

website-internetbeginnerunit-1
View Backend
Backend

The server-side logic, databases, and processes that power a website behind the scenes.

website-internetbeginnerunit-1
View Backup
Backup

A copy of data stored separately for recovery purposes.

databeginnerunit-3
View Bias
Bias

When AI outputs reflect skewed assumptions from training data.

ai-risksbeginnerunit-7
View Bug
Bug

Something that does not work as expected or specified.

business-marketingbeginnerunit-10
View Backlog
Backlog

A prioritized list of possible product work, bugs, features, and improvements.

startup-productbeginnerunit-10
View Bridge
Bridge

A tool for moving crypto assets or information between blockchains.

crypto-web3intermediateunit-8
C
View Cache
Cache

Saved copies of website data stored locally to speed up repeat visits.

website-internetintermediateunit-1
View CDN
CDN

A network of servers distributed globally to deliver website content faster.

website-internetintermediateunit-1
View CMS
CMS

A content management system that lets non-developers edit website content.

website-internetbeginnerunit-1
View CSV
CSV

Comma-Separated Values—a simple text file format for storing tabular data.

databeginnerunit-3
View Context Window
Context Window

How much information an AI can consider at once when generating a response.

ai-literacyintermediateunit-5
View Chatbot
Chatbot

A conversational AI interface that responds to text or voice inputs.

ai-literacybeginnerunit-5
View Copyright Risk
Copyright Risk

Legal uncertainty about using AI-generated content.

ai-risksintermediateunit-7
View Confidential Data
Confidential Data

Sensitive information that should not be shared with external AI systems.

ai-risksbeginnerunit-7
View Compliance
Compliance

Meeting legal, regulatory, or industry standards for data handling and security.

security-privacyintermediateunit-8
View CTA
CTA

Call to Action—the specific action you want visitors to take.

business-marketingbeginnerunit-9
View Conversion
Conversion

When a visitor completes a desired action.

business-marketingbeginnerunit-9
View CRM
CRM

Customer Relationship Management—software for tracking leads and customers.

business-marketingbeginnerunit-9
View Change Request
Change Request

A formal request to modify scope after a project has started.

business-marketingbeginnerunit-10
View Cloud
Cloud

Internet-based computing resources such as servers, databases, storage, and services.

website-internetbeginnerunit-1
View Churn
Churn

The rate at which customers stop using or paying for a product.

startup-productbeginnerunit-9
View Crypto Token
Crypto Token

A digital asset issued on a blockchain that can represent value, access, governance, or utility.

crypto-web3beginnerunit-8
D
View Domain
Domain

The address people type to visit your website, like example.com.

website-internetbeginnerunit-1
View DNS
DNS

The system that translates domain names into server addresses.

website-internetintermediateunit-1
View Dynamic Site
Dynamic Site

A website that generates pages based on data, user, or context.

website-internetintermediateunit-1
View Dashboard
Dashboard

A visual interface showing key metrics and information at a glance.

apps-softwarebeginnerunit-2
View Database
Database

Organized storage for application information that can be searched and updated.

databeginnerunit-3
View Data Dashboard
Data Dashboard

A visual display of key metrics and KPIs from your data.

databeginnerunit-3
View Data Model
Data Model

The structure that defines how data is organized, stored, and related.

dataintermediateunit-3
View Data Migration
Data Migration

Moving data from one system to another.

dataintermediateunit-3
View Data Retention
Data Retention

Policies for how long data is kept before deletion.

dataintermediateunit-3
View Deepfake
Deepfake

AI-generated fake media that appears authentic.

ai-risksintermediateunit-7
View Deliverable
Deliverable

A tangible item or output produced as part of a project.

business-marketingbeginnerunit-10
View Deploy
Deploy

To publish code changes so users can access them.

website-internetbeginnerunit-10
View Data Warehouse
Data Warehouse

A central place where business data from many systems is collected for reporting and analysis.

dataintermediateunit-3
View Dependency
Dependency

External code, service, or tool that your software relies on.

open-sourceintermediateunit-10
View Defensible Data Network Effects
Defensible Data Network Effects

A claimed advantage where more users create more valuable data, making the product harder to copy.

startup-productintermediateunit-10
View DAO
DAO

Decentralized autonomous organization: a group that uses blockchain-based rules or voting to coordinate decisions.

crypto-web3intermediateunit-8
View DeFi
DeFi

Decentralized finance: financial products built with blockchain-based protocols rather than traditional intermediaries.

crypto-web3intermediateunit-8
E
View Extension
Extension

Software that adds features to a browser or application.

apps-softwarebeginnerunit-2
View Export
Export

Taking data out of a system for use elsewhere.

databeginnerunit-3
View Event
Event

A tracked action that occurs in your application or website.

dataintermediateunit-3
View Endpoint
Endpoint

A specific URL where an API receives requests.

apis-automationintermediateunit-4
View Embedding
Embedding

A numerical representation of content that captures its meaning.

ai-literacyintermediateunit-5
View Encryption
Encryption

Scrambling data so only authorized parties can read it.

security-privacybeginnerunit-8
View ETL
ETL

Extract, transform, load: moving data from one place, cleaning it, and putting it somewhere useful.

dataintermediateunit-3
View Evaluation Criteria
Evaluation Criteria

The standards used to judge whether an AI response is good enough for its purpose.

ai-literacyintermediateunit-6
F
View Frontend
Frontend

The visual part of a website that users see and interact with.

website-internetbeginnerunit-1
View Feature
Feature

A distinct capability or function within software.

apps-softwarebeginnerunit-2
View Field
Field

One piece of information within a database record, like a column.

databeginnerunit-3
View Fine-Tuning
Fine-Tuning

Training an existing AI model further with specific data for a particular purpose.

ai-literacyintermediateunit-5
View Funnel
Funnel

The path from awareness to purchase, typically narrowing at each stage.

business-marketingbeginnerunit-9
View Feature Flag
Feature Flag

A switch that lets teams turn a feature on or off without redeploying code.

apps-softwareintermediateunit-2
View Few-Shot Prompting
Few-Shot Prompting

Providing examples of good input and output before asking AI to complete the real task.

ai-literacyintermediateunit-6
View Fork
Fork

A copy of a code project that can be changed separately from the original.

open-sourceintermediateunit-10
G
View Gas
Gas

A transaction fee paid to run operations on a blockchain.

crypto-web3beginnerunit-8
View Governance
Governance

The process for making decisions about changes, rules, funds, or direction.

crypto-web3intermediateunit-8
H
View Hosting
Hosting

The service that stores your website files and makes them accessible online.

website-internetbeginnerunit-1
View Hallucination
Hallucination

When AI generates confident-sounding but false or fabricated information.

ai-risksbeginnerunit-7
View Human Review
Human Review

Having a person verify AI output before using or publishing it.

ai-risksbeginnerunit-7
I
View Import
Import

Bringing external data into a system or application.

databeginnerunit-3
View Integration
Integration

A connection between two or more software systems that share data.

apis-automationbeginnerunit-4
View Inference
Inference

Using a trained AI model to generate predictions or outputs.

ai-literacyintermediateunit-5
View Inference Cost
Inference Cost

The cost of generating AI outputs when users ask the model to do work.

ai-literacyintermediateunit-5
View Issue
Issue

A tracked bug, task, question, or feature request in a software project.

open-sourcebeginnerunit-10
K
View KYC
KYC

Know Your Customer: identity checks used to verify users, especially in finance and crypto.

security-privacyintermediateunit-8
L
View Landing Page
Landing Page

A focused webpage designed to convert visitors toward a specific action.

website-internetbeginnerunit-1
View Low-Code
Low-Code

Development platforms that minimize hand-coding through visual interfaces and templates.

apps-softwareintermediateunit-2
View LLM
LLM

Large Language Model—AI trained on massive text data to understand and generate language.

ai-literacybeginnerunit-5
View Latency
Latency

The delay between a request and a response.

website-internetintermediateunit-1
View License
License

The legal permission terms for using software, content, or data.

open-sourceintermediateunit-10
View Liquidity
Liquidity

How easily an asset can be bought or sold without significantly moving its price.

crypto-web3intermediateunit-8
M
View Mobile App
Mobile App

Software designed specifically for smartphones and tablets, downloaded from app stores.

apps-softwarebeginnerunit-2
View MVP
MVP

Minimum Viable Product—the simplest version that delivers core value.

apps-softwarebeginnerunit-2
View Make.com
Make.com

A visual automation platform with more flexibility than Zapier for complex workflows.

apis-automationintermediateunit-4
View Machine Learning
Machine Learning

AI that improves through experience and data rather than explicit programming.

ai-literacyintermediateunit-5
View Model
Model

The trained AI system that produces outputs based on inputs.

ai-literacybeginnerunit-5
View Multimodal AI
Multimodal AI

AI that can work with multiple types of content: text, images, audio, or video.

ai-literacyintermediateunit-5
View Model Drift
Model Drift

When AI behavior changes over time, often unexpectedly.

ai-risksintermediateunit-7
View MFA
MFA

Multi-Factor Authentication—requiring multiple proofs of identity to log in.

security-privacybeginnerunit-8
View Malware
Malware

Malicious software designed to damage, disrupt, or gain unauthorized access.

security-privacybeginnerunit-8
View Milestone
Milestone

A significant checkpoint in a project timeline.

business-marketingbeginnerunit-10
View Maintenance
Maintenance

Ongoing care and updates required after launch.

business-marketingbeginnerunit-10
View Model Provider
Model Provider

A company that supplies AI models through an API or platform.

ai-literacyintermediateunit-5
View Maintainer
Maintainer

A person or team responsible for reviewing, updating, and guiding a software project.

open-sourceintermediateunit-10
View Moat
Moat

A durable advantage that makes a business hard to copy or compete with.

startup-productintermediateunit-10
View MCP
MCP

Model Context Protocol: a standard way for AI apps to connect to external tools and data sources.

ai-literacyintermediateunit-5
N
View Native App
Native App

An app built specifically for one platform using that platform's programming language.

apps-softwareintermediateunit-2
View No-Code
No-Code

Tools that let you build apps and automations without writing code.

apps-softwarebeginnerunit-2
O
View OAuth
OAuth

A standard for granting applications limited access without sharing passwords.

apis-automationintermediateunit-4
View Out of Scope
Out of Scope

Work explicitly not included in the current project agreement.

business-marketingbeginnerunit-10
View Output Format
Output Format

The structure you request for an AI response, such as a table, checklist, email, or summary.

ai-literacybeginnerunit-6
View Orchestration
Orchestration

Coordinating multiple tools, steps, models, or systems in an automated workflow.

ai-literacyintermediateunit-5
P
View Plugin
Plugin

Add-on software that extends the functionality of an existing application.

apps-softwarebeginnerunit-2
View Payload
Payload

The actual data sent in an API request or response.

apis-automationintermediateunit-4
View Prompt
Prompt

The instruction or question you give to an AI to get a response.

ai-literacybeginnerunit-5
View Prompt Injection
Prompt Injection

Malicious input designed to manipulate AI behavior.

ai-risksintermediateunit-7
View Password Manager
Password Manager

Software that securely stores and generates strong, unique passwords.

security-privacybeginnerunit-8
View Permissions
Permissions

Controls defining who can access, view, or modify specific data or features.

security-privacybeginnerunit-8
View Phishing
Phishing

Fraudulent attempts to steal information by impersonating trusted entities.

security-privacybeginnerunit-8
View PII
PII

Personally Identifiable Information—data that can identify a specific individual.

security-privacybeginnerunit-8
View Pixel
Pixel

A small tracking script that monitors visitor behavior.

business-marketingintermediateunit-9
View Prompt Engineering
Prompt Engineering

Designing instructions and context so an AI model produces better, more consistent results.

ai-literacybeginnerunit-6
View Prompt Role
Prompt Role

The perspective or expertise you ask an AI model to use when responding.

ai-literacybeginnerunit-6
View Prompt Context
Prompt Context

The background information an AI model needs to complete a task well.

ai-literacybeginnerunit-6
View Prompt Constraint
Prompt Constraint

A boundary that tells AI what to include, avoid, limit, or prioritize.

ai-literacybeginnerunit-6
View Prompt Iteration
Prompt Iteration

Improving a prompt over multiple attempts by diagnosing what was wrong with the output.

ai-literacybeginnerunit-6
View Pull Request
Pull Request

A proposed code change submitted for review before it is merged.

open-sourcebeginnerunit-10
View PMF
PMF

Product-market fit: evidence that a product strongly satisfies a real market need.

startup-productintermediateunit-10
View Pivot
Pivot

A meaningful change in strategy based on evidence that the current approach is not working well enough.

startup-productbeginnerunit-10
View Protocol
Protocol

A shared set of rules that systems or participants use to interact.

crypto-web3intermediateunit-8
View Payment Gateway
Payment Gateway

A service that securely processes online payments between customers, merchants, and banks.

apps-softwarebeginnerunit-2
Q
View QA
QA

Quality Assurance—testing to find and fix problems before launch.

business-marketingbeginnerunit-10
R
View Responsive Design
Responsive Design

Website design that automatically adjusts layout based on screen size.

website-internetbeginnerunit-1
View Roadmap
Roadmap

A timeline of planned features, improvements, and milestones.

apps-softwarebeginnerunit-2
View Record
Record

One row of data in a database table, representing a single item.

databeginnerunit-3
View Rate Limit
Rate Limit

A cap on how many requests can be made to an API in a given time period.

apis-automationintermediateunit-4
View Real-Time
Real-Time

Processing and displaying data immediately as events occur.

apis-automationintermediateunit-4
View RAG
RAG

Retrieval-Augmented Generation—giving AI access to external information to improve accuracy.

ai-literacyintermediateunit-5
View Repository
Repository

A storage place for a software project's code, history, and collaboration notes.

open-sourcebeginnerunit-10
View RPC
RPC

Remote procedure call: a way for one system to ask another system to run a specific function.

apis-automationintermediateunit-4
View Runway
Runway

How long a company can keep operating before it runs out of money at its current burn rate.

startup-productbeginnerunit-10
View Restaking
Restaking

Using already staked crypto assets to help secure additional services or protocols.

crypto-web3intermediateunit-8
S
View Server
Server

A computer that stores files and responds to requests from other computers.

website-internetbeginnerunit-1
View SSL
SSL

The security protocol that encrypts data between browsers and servers, shown by the padlock icon.

website-internetbeginnerunit-1
View Static Site
Static Site

A website with pre-built pages that are the same for every visitor.

website-internetintermediateunit-1
View SaaS
SaaS

Software as a Service—software you rent through a subscription instead of buying outright.

apps-softwarebeginnerunit-2
View Segment
Segment

A group of users or data points that share common characteristics.

dataintermediateunit-3
View Sync
Sync

Keeping data consistent across multiple systems.

apis-automationbeginnerunit-4
View Source Checking
Source Checking

Verifying AI claims against reliable sources.

ai-risksbeginnerunit-7
View SEO
SEO

Search Engine Optimization—improving visibility in search results.

business-marketingbeginnerunit-9
View Scope
Scope

The defined boundaries of what is included in a project.

business-marketingbeginnerunit-10
View SDK
SDK

A software development kit: prebuilt tools developers use to work with a platform faster.

apis-automationintermediateunit-4
View SSO
SSO

Single sign-on: one login that gives users access to multiple approved tools.

security-privacyintermediateunit-8
View Schema
Schema

The defined structure of data, including fields, types, and relationships.

dataintermediateunit-3
View Sprint
Sprint

A short planned work period, often one or two weeks, used by software teams.

startup-productbeginnerunit-10
View Scaling
Scaling

Increasing a system's ability to handle more users, data, or activity.

website-internetintermediateunit-1
View Smart Contract
Smart Contract

Code on a blockchain that automatically executes rules or transactions.

crypto-web3intermediateunit-8
View Staking
Staking

Locking or committing crypto assets to help secure a network or earn rewards.

crypto-web3intermediateunit-8
View Semantic Retrieval
Semantic Retrieval

Searching by meaning rather than exact keyword matches.

ai-literacyintermediateunit-5
T
View Table
Table

A collection of related data organized into rows and columns within a database.

databeginnerunit-3
View Trigger
Trigger

An event that starts an automated workflow.

apis-automationbeginnerunit-4
View Token
Token

A chunk of text that AI reads or writes, roughly 3-4 characters or about 0.75 words.

ai-literacyintermediateunit-5
View Technical Debt
Technical Debt

Shortcuts taken now that create problems or extra work later.

business-marketingintermediateunit-10
View Traction
Traction

Evidence that customers or users are adopting and valuing a product.

startup-productbeginnerunit-9
View Tokenomics
Tokenomics

The economic design of a token, including supply, incentives, distribution, and utility.

crypto-web3intermediateunit-8
U
View User Account
User Account

A saved identity that lets someone log in and access personalized features.

apps-softwarebeginnerunit-2
View UTM
UTM

Tracking parameters added to URLs to identify traffic sources.

business-marketingintermediateunit-9
View User Story
User Story

A short description of what a user needs and why.

startup-productbeginnerunit-10
View Uptime
Uptime

The percentage of time a website, app, or service is working and available.

website-internetbeginnerunit-1
View UI
UI

User interface: the screens, controls, and visual elements people use to interact with software.

apps-softwarebeginnerunit-2
View UX
UX

User experience: how easy, useful, and satisfying a product feels across the whole journey.

apps-softwarebeginnerunit-2
V
View Vector Database
Vector Database

A database designed to store and search AI-friendly representations of content.

ai-literacyintermediateunit-5
View Vendor Lock-In
Vendor Lock-In

Being stuck with a vendor because switching is too difficult or expensive.

business-marketingintermediateunit-10
W
View Web App
Web App

Software that runs in a web browser and does not require installation.

apps-softwarebeginnerunit-2
View Workflow
Workflow

A defined sequence of steps to complete a task or process.

apps-softwarebeginnerunit-2
View Webhook
Webhook

A notification sent automatically from one system to another when something happens.

apis-automationintermediateunit-4
View Wallet
Wallet

A tool that lets someone hold and use crypto assets by controlling private keys.

crypto-web3beginnerunit-8
Z
View Zapier
Zapier

A popular no-code tool for connecting apps and automating workflows.

apis-automationbeginnerunit-4
View ZK-Rollup
ZK-Rollup

A blockchain scaling method that bundles transactions and uses zero-knowledge proofs to verify them.

crypto-web3intermediateunit-8