operations that occur without a regular or predictable time relation to other events
not synchronous; not occurring or existing at the same time or having the same period or phase
the state of being in effect or being operative
a business especially one run on a large scale
a planned activity involving many people performing various actions
activity by a military or naval force (as a maneuver or campaign)
(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction)
a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body
the activity of operating something (a machine or business etc.)
