You have a structural relationship when a (parent) business object physically
contains another (child) business object.
On the other hand you have a semantical relationship when the (parent) business
object references the (child) business object, or vice versa.
Association, Aggregation, Composition, etc. are structural relationships
(therefore answer d is wrong)
The grouping relationship is used for objects that belong together based on common
characteristic: the package. The components are not a grouping relationship, but a
composition relationship which indicates that an object is made up of a number of other
objects (therefore answer a is right)
"Eppur si muove!"
I have gone to look for myself. If I should return before I get back, keep me here with this tiny ad:
how do I do my own kindle-like thing - without amazon