Extra-vehicular activity | Paranormal Activity | Venn diagram | extra-vehicular activity | activity | Student activity center | Phase diagram | Naval Support Activity Mid-South | Human sexual activity | Function block diagram | Extracurricular activity | Euler diagram | Coxeter–Dynkin diagram | After-school activity | 1968 Democratic National Convention protest activity | Warnier/Orr diagram | Voronoi diagram | student activity center | Satake diagram | Ribbon diagram of Sucrose Synthase-1 3S27 Structure, isolated from ''Arabidopsis thaliana | Receptor activity-modifying protein | Reading (activity) | Radio-Activity | Paranormal Activity 3 | paranormal activity | Odour activity value | Naval Support Activity Bahrain | Lexis diagram | ''K''5 is the Hasse diagram | Intelligence Advanced Research Projects Activity |
A function model or functional model in systems engineering and software engineering is a structured representation of the functions (activities, actions, processes, operations) within the modeled system or subject area.
They have also been used to evaluate a number of proposed standards, including BPEL, BPMN, UML Activity diagram, XPDL, etc.