AI concept index

Technology that lets computers recognize, generate, judge, and act on information; the result still depends on software, data, tools, and human review.

The website, desktop app, or software surface where a person uses a model with a specific interface, context, files, and tools.

A trained system of parameters that processes input and produces an output; usually called by an application.

An AI system that works toward a goal, observes results, and decides what to do next, often with tools and a runtime environment.

The task instructions given to an AI system, including the goal, background, constraints, and requested output.

The information available to the model for the current task, such as instructions, conversation, retrieved material, and tool results.

Information an application stores and may provide again in later interactions.

A unit of text or data used by a model for processing and measurement; not equivalent to one Chinese character or one English word.

A specific capability an AI system can invoke, such as searching, reading a file, calculating, generating a file, or changing an external system.

A reusable package of instructions, rules, and supporting material for a class of tasks, used by systems that support skills.

An open protocol that lets AI applications connect to external tools, resources, and services through a shared communication model.

A task organized into ordered steps, with possible branches, repetition, checks, and stopping conditions.

The scope of data and actions that an application, service, account, or environment allows.

Content that appears plausible but is false, unsupported, or lacks reliable evidence.