person or thing that provides something. Companies or group that offer a particular service.

person who purchases goods and services. People who buy goods or services.

To be left undone (after other things changed).

use or operation of computers. To find out by calculating or estimating.

To look at carefully to work out what is happening.

action or method of storing something for future use.

bell in building which can be rung by visitors outside to signal their arrival.

To any extent or degree (often used with not). Use to indicate limits or variation. any place.

application of scientific knowledge for practical purposes.

persist in activity.

examine for accuracy, quality, etc..

relating to or making use of form of tape transport, used mainly to provide backup storage. method of relaying data over computer network as steady continuous stream. To split classes or students into ability levels.

having position of authority. To be able to see far from a certain location.

Being with another person rather than alone. associate with.

small, narrow river. Small rivers. To send a constant flow of data over the internet.