A group and Compartment have the similarity in the sense that the SpeciesAlias included can be moved collectively.
However, a group is an auxiliary function for editing, whereas Compartment is the logical substance in a model. In that respect, they are different. Therefore, priority is given to operation of Compartment in the following cases:
When some members of a group are included inside the Compartment, if you move the Compartment, they follow and move to the new position. Therefore, the rectangular shape of the whole group, constituted with the member moved with the Compartment and those does not moved, would be changed.
