action of keeping something harmful under control or within limits.

wipeable board with white surface used for teaching or presentations.

act of retrieving something. To find and bring in animals during a hunt.

Located above your head or in the sky. above level of head. overhead cost or expense.

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

Able to be seen or noticed; obvious; apparent. thing that is perceptible by touch.

To show how something works (e.g. product).

action or method of storing something for future use.

Group of computers connected to each other. To exchange information with colleagues, contacts.

person whose job or business is commercial printing. People or machines that prints books, documents.

To put something into a certain place or spot.

connected with something else. To spend time with other people; mix with.

Many of. more than two but not many. More than two but not a large amount.

set down in writing or some other permanent form for later reference. To write down or say what happened.

Thing, person which represents a category. be illustrated or exemplified.