The philosophy of the Bauhaus has a lot of great impact on interaction design. Form and color are among the most elements in interaction design. Form conveys both message and interaction that users can do with the the object. For instance, a light switch, we can tell it has something to turn off and on by switching up or down. Color conveys meanings or message to have users to interact with accordingly like red means stop and green means go.
3D Structure is a important elements for interaction designer because it is one of the prototype tool that determine whether the idea is worth the investment
Animation is very important for interaction designer to convey the flow of the features as well as how users might feel about the design. It makes the interaction with both physical and digital feel real to the users.