group of people with common characteristic. Groups of people who share common ideas or areas.

every person.

action of helping or doing work for someone. Maintenance of machineries so it runs well, e.g. cars. perform routine maintenance or repair work on.

fixed or movable upright partition used to divide room, give shelter from draughts, heat, or light. Wire nets in windows or doors to keep insects out. To hide or block something from being seen.

physical substance. be significant.

Used to add new (often different) information.

sixty seconds. Records in writing what is said at a meeting.

Revealing; exposing the truth. To report something to an authority.

Main; important. Special report in a magazine or paper. have as prominent attribute or aspect.

advantage or profit gained. Good results or effects, something advantageous. To have a good effect or be helpful.

act or process of downloading data. copy data from one computer system to another.

unwelcome or harmful matter. Questions to show understanding of a math concept.

find answer to, explanation for, or means of effectively dealing with.

From one end or side of something to the other. From the beginning of something until the end. Allowing you to pass between, or to.

Acting or influencing others.