# Key Terms — System Mapping, Dependencies, and Cause-and-Effect Logic (IFTT)

- Link: https://doss.academy/course-2-game-design-development-principles/unit-4-game-design-core-loop-systems/lesson-2-system-mapping-dependencies-and-cause-and-effect-logic-iftt/key-terms/
- Published: 2026-10-18T12:27:27-04:00
- Author: matthew.leffler@jefferson.kyschools.us

Course 2: Game Design & Development Principles / Unit 4: Game Design Core Loop &
Systems / Lesson 2: System Mapping, Dependencies, and Cause-and-Effect Logic (IFTT)

## Vocabulary focus

System Mapping, Dependency, Cause-and-Effect, Logic Chain, Game Variables, Systemic
Gameplay, Interconnectedness, Emergent Gameplay, State Machine, Input-Output Logic

## Build your glossary

For each term or concept, write an explanation in your own words and add an example
from this lesson. Check your explanation against the lesson resources.

  |  Term or concept |  My explanation |  Example |  
   |  ________________ |  ________________ |  ________________ |  
 |  ________________ |  ________________ |  ________________ |

## Resources

 * **The Origin of Reactivity**
 * YouTube loads only when you press play.
 * [Watch on YouTube (opens in a new tab)](https://www.youtube.com/watch?v=u0pJN3jpUjQ)
 * [Open CodeHS course lesson explorer (opens in a new tab)](https://codehs.com/course/21074/explore?lang=en)