This question is context of systems engineering ( question is in context of systems engineering eg. Like making car, jet etc not software)

A.Sysml and mbse is one subset of the other? Or are both different? If so plz give examples

B. What is [package], [ activity] ,[block] In sysml systems model are they some denotation if so what do they mean?

C. Is object process methodology part of sysml?

D. How to distinguish between sysml representation( diagram) and MBSe?

E. Is DSM used for requirements modeling as well? I thought only use for showing interdependencies btwn structure, behavior, form, function , tasks

How does it show even req ( if possible plz show a diagram example picture ) ( tried finding online could not