Once satisfied with the window, we can make copies to apply to the rest of the house. As we continue to add details to the project, the Outliner window is going to get quite a few objects in it. Blender assigns default names to each object based on what it is. For example, my project currently has two cubes named Cube and Cube.001:
It is helpful, particularly in large endeavors, to assign more meaningful names. It'll make it easier to select objects through the Outliner window and hide ones we don't want to see. The steps to rename an object are as follows: ...