Compound objects are actually groups of simple objects that are put together and transformed as a single one.
Parameter:
Name: Name for the compound.
Position: 3D Vector storing the position of the center of the compound.
Rotation: 3D Vector storing the compound rotation. There can be restrictions on this, if a non rotatable object is included in the compound.
Scale: 3D Vector storing the compound scale. There can be restrictions on this, if a non scalable object is included in the compound.