activity natural to or purpose of person or thing. Mathematical operations used in calculations. To be operating, working or achieving its purpose.

Not changing your conduct or opinion. distinctive clothing worn by members of same organization or body or by children. make uniform.

in seated position. continuous period of being seated. To provide seating for people.

act or process bringing change. Acts of making or becoming something else. To exchange one kind of money for another.

nickname for liveried pageboy, now normally only in pantomimes. Switches activated by pressing. To fasten e.g. a shirt, coat.

have effect on.

engage in activity for recreation.

painting or drawing. Paintings, drawings or photographs on paper or screen. To understand or imagine something.

To know the meaning of language, what someone says.

Things you read (book, magazines and web pages). Process of understanding writing. To understand something about a situation.

referring to signals/information represented by discrete values of quantity.

Only at certain times; occasionally.

to small degree.

facts provided or learned.

From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. By a particular way or process; by the use of.