Application Program: to “useâ€ the protocol, it must call system functions (routines) designed to access appropriate data structures and carry out the protocol activities.
Maombi ya Mpango: kwa â € œuseâ € itifaki, ni lazima kuwaita kazi mfumo (routines) imeundwa ili kupata miundo sahihi data na kutekeleza shughuli itifaki.