Noun

The science and art of military command as applied to the overall planning and conduct of warfare.

A plan of action intended to accomplish a specific goal.

* {{quote-book, year=1913, author=

, title=Lord Stranleigh Abroad , chapter=4 citation , passage=“I came down like a wolf on the fold, didn’t I??? Why didn’t I telephone??? Strategy', my dear boy, ' strategy . This is a surprise attack, and I’d no wish that the garrison, forewarned, should escape. …”}}

* {{quote-magazine, year=2013, month=May-June, author= William E. Conner

, title= An Acoustic Arms Race , volume=101, issue=3, page=206-7, magazine=(American Scientist) , passage=Earless ghost swift moths become “invisible” to echolocating bats by forming mating clusters close

The art of using similar techniques in politics or business.

Noun

(activities)

The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities.

Something done as an action or a movement.

Something done for pleasure or entertainment, especially one involving movement or an excursion.

* {{quote-magazine, date=2013-06-07, author=David Simpson

, volume=188, issue=26, page=36, magazine=(The Guardian Weekly) , title= Fantasy of navigation , passage=Like most human activities , ballooning has sponsored heroes and hucksters and a good deal in between. For every dedicated scientist patiently recording atmospheric pressure and wind speed while shivering at high altitudes, there is a carnival barker with a bevy of pretty girls willing to dangle from a basket or parachute down to earth.}}

Use (of internet, playstation, bank account etc.).