There are different ways of calling functions: call stacks, continuation passing, messaging and event handling. What do you call the category of these features? Invocation? What do you call architectures categorized by these features? Invocation architecture?
Sub question: Other than the four given, what are some examples of this type of feature?
What you’re asking for sort of generalizes the idea of calling conventions, so you might be able to get away with using that in an expanded sense.
“Function calling style” and “calling style” may also work.