rulesengine

noun
UK /ˈruːlz ˌɛndʒɪn/
US /ˈruːlz ˌɛndʒɪn/

A rules engine is a computer program that follows a list of rules to decide what to do.

The game's rules engine checks if you are allowed to move your piece there.


OTHER MEANINGS

2. A software component that separates business rules from application code so they can be changed easily.

The bank uses a rules engine to update loan approval criteria without rewriting the app.

3. A system in artificial intelligence that applies if-then rules to derive conclusions from known facts.

The expert system's rules engine matched symptoms to possible diagnoses.

4. A tool in game development that manages game logic such as triggers and conditions.

Designers tweaked the rules engine to make enemies react faster.