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

(utilities)

The state or condition of being useful; usefulness.

Something that is useful.

(economics) The ability of a commodity to satisfy needs or wants; the satisfaction experienced by the consumer of that commodity.

(business, finance) A service provider, such as an electric company or water company; or , the securities of such a provider.

(computing) A software program designed to perform a single task or a small range of tasks, often to help manage and tune computer hardware, an operating system or application software.

I've bought a new disk utility that can recover deleted files.

(sports) The ability to play multiple positions.