function model
structured representation of the functions (activities, actions, processes, operations) within the modeled system or subject area
en-GB/ˈfʌŋkʃn ˈmɒdəl/
en-US/ˈfʌŋkʃən ˈmɑdəl/
structured representation of the functions (activities, actions, processes, operations) within the modeled system or subject area