Question:
Part of the conceptual model of UML is made up of four "things": "Structural things", Behavioral things", "Grouping things" and "Annotational things". Explain, using examples and diagrams, these "things" in the context of a conceptual model.
(a) "Structural things"
(b) "Behavioral things"
(c) "Grouping things"
(d) "Annotational things"