To protest about something often as a group.

statement of word's meaning.

System of connections. To join a group of computers together.

Area or scene of activity, especially in politics. To make gardens that improve an area of land.

Sequence of related events arranged in time order.

event intended for public entertainment. (Animals) to indicate readiness for sex.

action of inspecting or looking at something. To watch or see something, e.g. show on television.

A senior student at school. To observe and keep a record of something.

Purifier that removes impurities from a gas.

sea area. Method or route used for sending or getting things. To dig a long hole for carrying water.

brought together so that link is established. To transfer from one part of a trip to another.

action of person or things that taps. To access a liquid (e.g. in a tree) through a hole.

device for recording visual images in form of photographs. Objects that take pictures digitally, or on film.

series of actions towards achieving something. To organize and use data in a computer.

Careful watching of a person/place, e.g. by police.