Questions related to teaching about game design concepts, teaching how to work with game design tools and teaching various aspects of designing games.

Game design is a field in Computer Science, which deals with techniques, aspects, tools, etc. for designing games.

The field incorporates visual design as well as game mechanics and design patterns of games.

Game design starts with design a World.
A world is the universe of the game. The lore, background and theme. Designing a world creates guiding ideas for the rest of the game design.

Next is the initial design of a System. The System is a set of rules and patterns that guide the game creation.

More information about game design can be found here.