I just recently read John Holt's book Systems Engineering Demystified. In it he uses the name and direction of reference associations to model all kinds of semantics. For instance the a Driver drives a Car:
Doing the same thing in Rhapsody looks like this:
Note that Rhapsody has the information about the direction of the assoication in the top of the features dialogue, but can I get Rhapsody to actually show the little arrow on the top as specified in SysML (see below)?