Glossary

CLetter C40 terms

cargo build --release

• Commands

A command that compiles the Rust project into an optimized binary placed in the target/release folder.

Cascade

• Concepts

Devin Desktop's (formerly Windsurf's) agent panel that reads your whole project and applies multi-file changes from a plain-English task description.

Cerebras Inference API

• Concepts

Cerebras's cloud service that lets you send text to an AI model and receive a response, accessed by sending HTTP requests to api.cerebras.ai/v1.

CEREBRAS_API_KEY

• Concepts

A secret password-like string you get from Cerebras that proves your identity every time your code calls the API.

Certbot

• Commands

Command‑line tool that obtains and installs a Let's Encrypt certificate for your server.

Cgroups

• Concepts

Linux controls that limit and account for the CPU, memory, and other resources used by a container.

Also known as: cgroups

1 other definition

cgroups · Concepts

A Linux kernel feature that limits and monitors resource usage for groups of processes.

Change All

• Interface

An option that replaces the default presenter with your chosen avatar across every scene at once.

change contract

• Change control

A written agreement that names the exact intended change, exclusions, evidence, reviewer, and stop conditions before editing begins.

Also known as: change contracts

Chatbot

• Concepts
• Core

A program you talk to in ordinary language, which answers in a chat window. Most AI chatbots today run on a large language model.

Also known as: AI assistant, chat assistant

1 other definition

Chatbot · Concepts

The simplest Dify application type — you give it a model and a prompt, and users interact with it through a back-and-forth chat interface without needing tool calls or a multi-step workflow.

Chatflow

• Concepts

A Dify application type that combines a workflow's structured steps with a conversational chat interface, so each user message triggers the full node chain before a response is returned.

1 other definition

Chatflow · Concepts

A visual builder in Flowise for creating single-agent chatbots and simple LLM workflows by connecting nodes on a drag-and-drop canvas.

ChatGPT Agent

• Features

A feature that lets ChatGPT perform multi-step tasks on your behalf — such as browsing the web, filling forms, or running code — with minimal input from you.

ChatGPT Plus

• Access
• Account
• Concepts

A paid subscription tier that gives individual users access to more powerful models, higher usage limits, and features like Deep Research and Advanced Voice.

3 other definitions

ChatGPT Plus · Account

A paid subscription tier for ChatGPT that is needed to access Sora’s advanced video generation features.

ChatGPT Plus · Access

A paid version of ChatGPT that provides higher usage limits and is needed to access Sora’s advanced features.

ChatGPT Plus · Access

A paid subscription tier for ChatGPT that is needed to use Sora 2 and obtain an invite code.

ChatGPT Plus or Pro subscription

• Access

A paid plan that unlocks higher‑tier features and is needed to use Sora 2 fully.

ChatLLM

• Interface

The chat window where you type prompts and receive AI answers within Abacus Studio.

checkpoint

• Concepts

A snapshot of your project saved before each Cascade step, letting you roll an agent change back in one click.

chmod +x start-local-llm.sh

• Commands

A shell command that marks a script file as executable on Mac or Linux so you can run it directly; without this step the operating system refuses to run the script.

choices[0].message.content

• API Response

The path inside the API's JSON response where the model's actual text reply is stored — choices is an array, [0] picks the first (usually only) result, and .content holds the message text.

Chunk

• Concepts
• Core

A short piece of a longer document, such as a few paragraphs. Search tools split files into chunks so they can find and pass on only the parts that match a question.

Also known as: chunks

1 other definition

Chunk · Concepts

A small segment of a document created by splitting the original file into pieces before indexing, so that only the most relevant part is retrieved rather than the whole document.

Chunking

• Concepts

The process of splitting an uploaded document into smaller pieces so each piece can be independently searched and retrieved by the AI.

Cinematic Prompt Formulas

• Concepts
• Prompt Techniques

Pre‑made sentence structures that tell the AI what scene, camera movement and style to use, helping it create professional‑looking video clips.

1 other definition

Cinematic Prompt Formulas · Prompt Techniques

Structured templates that combine scene description, camera movement, and style to guide Sora toward professional‑looking clips.

citation

• Research evidence
• Core

A reference that shows where a statement comes from, such as a document, a page or a web address. Open the cited source and check that it says what the answer claims.

Also known as: citations, source reference

1 other definition

citation · Research evidence

A link or reference pointing to possible evidence. It is a lead until the learner opens the source and checks that its wording supports the claim.

Used in Perplexity

Citations

• Concepts

Numbered source links that appear inline in every Perplexity answer so you can click through and verify the original web page or paper.

claude

• Commands

The command you type in your terminal to start a Claude Code session; running it opens an interactive AI coding assistant in your project folder.

claude --permission-mode plan

• Commands

Starts Claude Code in plan mode so it describes what it intends to do before making any file or code changes, letting you review and approve first.

claude -p "query"

• Commands

Runs Claude Code in print mode — Claude answers the query and exits immediately, making it useful in scripts and automated pipelines.

Claude Code

• Concepts

Claude's terminal-based coding agent; Cowork is its no-terminal sibling, aimed at non-technical knowledge work.

Claude Cowork

• Concepts

Claude's "Tasks" mode in the desktop app — a third way to use Claude (alongside Chat and Claude Code) where it works on its own across your files and apps to hand back a finished deliverable, no terminal needed.

Claude Desktop

• How it works

Anthropic's desktop app for Mac and Windows that hosts Chat, Claude Code, and Cowork in one place.

CLAUDE.md

• Files & config

Project rules the agent loads at the start of every session; keep it lean — only rules it would be wrong without.

Claw

• Agents

GenSpark’s chat‑based AI agent that you can command via Slack, WhatsApp or Telegram to run research, create documents and more.

CLI

• Concepts
• Core

A way of using a program by typing text commands instead of clicking buttons. Many developer and AI tools are command-line programs that you run in a terminal.

Also known as: command line, command-line interface, command-line tool

1 other definition

CLI · Concepts

Command-line interface — you type commands in a terminal instead of clicking.

closed / API model

• Access & cost

A model you can only use over the vendor's cloud API: highest quality, but you pay per token and your data leaves your machine.

cloud service

• Core

Software that runs on a provider's servers and that you use over the internet, often for a monthly fee. You don't install or maintain it, but your data sits with the provider.

Also known as: cloud, cloud-hosted

codebase map

• Concepts

An index Aider builds of your project so the model can reason across files (callers, definitions, imports) without you pasting every file in.

codex

• Commands

The OpenAI Codex CLI tool — a lightweight AI coding agent you run in your terminal that can read files, write code, and execute commands on your behalf.

codex exec

• Commands

Runs Codex non-interactively from the command line, streams results to your terminal or a file, and exits when the task is done — useful for scripting or automation.

codex mcp

• Commands

A Codex subcommand that manages connections to Model Context Protocol servers, which let Codex reach external tools and data sources beyond your local files.

Colima

• Tools

A command‑line tool that runs Docker Engine in a lightweight VM as an alternative to Docker Desktop.

Collections

• Features

Named groups that store related chats and an overarching role prompt so future conversations inherit the same context.

Columnar Backend

• Concepts

An optional KNIME execution engine that stores table data column-by-column using Apache Arrow, which reduces memory use on large datasets.