# Key Terms — Writing Technical Design Documents (TDD) & Game Design Documents (GDD)

- Link: https://doss.academy/course-2-game-design-development-principles/unit-6-game-design-mechanics-rules-documentation/lesson-3-writing-technical-design-documents-tdd-game-design-documents-gdd/key-terms/
- Published: 2026-10-18T12:28:06-04:00
- Author: matthew.leffler@jefferson.kyschools.us

Course 2: Game Design & Development Principles / Unit 6: Game Design Mechanics, 
Rules & Documentation / Lesson 3: Writing Technical Design Documents (TDD) & Game
Design Documents (GDD)

## Vocabulary focus

Game Design Document (GDD), Technical Design Document (TDD), High Concept, Feature
Set, Target Demographic, Art Style Guide, Game Architecture, Specification, Template,
Pitch Outline

## 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

 * **Setting, Story and Systems in That Order**
 * YouTube loads only when you press play.
 * [Watch on YouTube (opens in a new tab)](https://www.youtube.com/watch?v=ohHLUKj3NTk)