Which of the following translates to 'layer' in German?

The term that translates to 'layer' in German is "Schicht." In various contexts, "Schicht" refers to layers in both physical and metaphorical senses, such as layers of material, geological layers, or even layers in a project structure. This concept is widely used across different fields such as science, engineering, and everyday language, making it a versatile term in the German language.

The other choices do not relate to the concept of a layer. For instance, "Felge" refers to a rim, often in the context of vehicles; "Rohr" means pipe, referring to a hollow cylindrical tube used for various purposes; and "Stab" translates to rod or stick. Each of these terms has a specific meaning unrelated to layers, highlighting why "Schicht" is the correct answer in this context.