Tactics is the collective name for methods of winning a small-scale conflict, performing an optimization, etc. This applies specifically to warfare, but also to economics, trade, games and a host of other fields such as negotiation.
... couples living together, 7.3% have a female householder with no husband present, and 17.9% are non-families. 13.4% of all households are made up of individuals and 5.5% ...