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.).

Noun

(headquarters)

The military installation from which troops are commanded and orders are issued; the military unit consisting of a commander and his support staff.

The center of an organization's operations or administration.

* {{quote-book, year=2006, author=

, title=Internal Combustion , chapter=1 citation , passage=As though on an incendiary rampage, the fires systematically devoured the contents of Edison's headquarters and facilities.}}

A place of concentrated activity or influence.