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n.
the act of transacting within or between groups (as carrying on commercial activities); "no transactions are possible without him"; "he has always been honest is his dealings with me"
n.
an agreement between parties (usually arrived at after discussion) fixing obligations of each; "he made a bargain with the devil"; "he rose to prominence through a series of shady deals"
n.
a business especially one run on a large scale; "a large-scale farming operation"; "a multinational operation"; "they paid taxes on every stage of the operation"; "they had to consolidate their operations"
n.
the activity or result of distributing or disposing persons or things properly or methodically; "his organization of the work force was very efficient"
n.
the act of presenting a play or a piece of music or other entertainment; "we congratulated him on his performance at the rehearsal"; "an inspired performance of Mozart's C minor concerto"
n.
process or manner of functioning or operating; "the power of its engine determines its operation"; "the plane's operation in high winds"; "they compared the cooking performance of each oven"; "the jet's performance conformed to high standards"