interactive system
type: Concept
preferred label: سامانه برهم‌کنشی @fa
related: online operation

real-time system
type: Concept
preferred label: سامانه بلادرنگ @fa
related: online operation

online operation
type: Concept
broader: supervisory program
preferred label: عملیات برخط @fa
related: real-time system
related: interactive system
scope note: used for system software in online and real-time system but for hardware aspects see "real-time system"

supervisory program
type: Concept
narrower: online operation
preferred label: برنامه ناظر @fa