Typically, the Functional Requirement may be said to relate to the Primary Objective of the system, while the Non-Functional Requirements may be said to relate to the Secondary Objectives:
Kwa kawaida, Mahitaji Functional inaweza kuwa alisema yanahusiana na Malengo ya Msingi ya mfumo, wakati Mahitaji Non-Functional inaweza kuwa alisema yanahusiana na Malengo ya sekondari: