What kind of approach was introduced for elicitation and modelling to give a functional view of the system ?

What kind of approach was introduced for elicitation and modelling to give a functional view of the system ? Correct Answer Use Cases (by Jacobson)

Use Case captures who does what with the system, for what purpose, without dealing with system internals.

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The term that is used for geometric modelling like solid modelling, wire frame modelling and drafting is known as
In the following geometric modelling techniques which are not three-dimensional modelling?