Visual depth and scale
The visual depth of an image refers to how far into the scene you can identify objects. As you probably know, the related term depth of field refers to the distance range from the camera that renders with an acceptable focus. Thus, a narrow depth of field will create a narrow visual depth. However, there are other ways to create a narrow visual depth, and using the maximal depth of field will obviously give a large visual depth, but not necessarily guarantee a good composition.