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As you might already know, walls in Revit are made from layers of materials that can represent generic placeholders for design layouts to complete assemblies representative of actual construction. These layers are assigned functions that allow them to react to similar layers in other walls as well as in floors and roofs. The function assignments within object assemblies give you a predictable graphic representation when you join these types of overlapping elements.
After you have become familiar with the basic modeling functions for walls, you'll probably need to create your own wall types to achieve more complex designs. As you also add more information into the source of your building model, you will be able to extract more useful results through intelligent tagging and schedules. In this section we'll show you how to get the most out of your basic wall types in Revit.