Used to add new (often different) information.

Several; consisting of different things or types. more than one. more than one.

viewing of something before generally available. To look ahead at something, e.g. a movie.

Something that represents a person's work or style. person's name written in distinctive way as form of identification.

way of dealing with situation. To request someone to do something specific.

matrix obtained from given matrix by interchanging each row and corresponding column. To change the relative position or sequence.

The act of helping people learn. To help someone learn or do something.

Having a chance of happening, or being true. candidate for job.

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To greet someone who has just arrived.

any of more or less distinct parts into which something is or may be divided or from which it is made up. divide into sections.

action of buying. buy.

first or earliest. earliest form of something.

To use a device, e.g. a video game.

not same as another or each other.

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