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From Longman Business Dictionary
tactictac·tic /ˈtæktɪk/ noun [countableC usually plural]
a method that you use to achieve something
Aggressive advertising tactics may mislead consumers.
The union has used every possible delaying tactic (=something you do to give yourself more time).
Origintactic
(1600-1700)Modern Latintactica, from Greektaktika, from tassein“to arrange, place in battle formation”