Vocabulary

Understand the term. Connect the concept.

A practical dictionary of 512 AI, machine learning, mathematics, and programming terms from HerbDev’s AI Vocabulary app. Start with a definition, explore an example, then follow the concepts behind it.

Linked concepts open in a new tab. Audio reads the definition and example.

Action

Reinforcement Learning · Level 1 of 5

Action

A choice available to an agent that can affect its environment.

Actions can be discrete or continuous.

Example

A robot chooses a steering angle.

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Audio transcript

Action. A choice available to an agent that can affect its environment. Actions can be discrete or continuous. For example: A robot chooses a steering angle.

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Why it matters

This helps you separate what an agent observes, chooses, and optimizes.

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Put the terminology into context: How AI works · Machine-native representations · All learning paths

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