Revit model usually is not as complicated as an AutoCAD drawing. You can select objects easier before you modify it. However, in a complex model, you need a method to select multiple objects faster. You want to select them based on specific properties. For example, you want to select all walls with a specific type. Or you want to select all walls with a specific function.
We cover different methods in this article that you can use.
AutoLISP: Filter selection with selection set
In this AutoLISP tutorial, we cover how you can exclude other objects in our selection. We create a simple program to move all dimensions to a certain layer.