Does COMSOL Utilize FEM or FDM or Both?

This is kind of a generic question, but I cannot find any straightforward answer searching online or the documentation. Finite Element Modeling as I understand, is more especially suited for structural modeling, while Finite Difference Modeling has application in electromagnetics, for instance. Thus, I assume that COMSOL uses both, but I want to be sure. Of course, there is also CFD and other methods I am sure.

Also, if it does use both, how can I be sure I am using one approach or the other? Is there a way to select which method is used?