refer to something briefly.

system of methods used in particular area of study or activity. Systems or techniques to show how to do tasks.

Being happy or satisfied. Information in something, e.g. book or computer. satisfy.

An online messaging system. To make small chattering sounds, like some birds.

inspiring delight or admiration.

With your attention, concentration on one thing. become able to see clearly.

designed or produced to meet someone's individual requirements. To make personal or more personal.

expressing doubt or choice between alternatives.

Taking your attention; making you want to know. To persuade to do, become involved with something.

Flat, raised structure that people stand on.

Buying, selling and exchange of goods in business. To give something in return for something else.

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

Main; important. Special report in a magazine or paper. To highlight or give special importance to.

not same as another or each other.

Concerning one particular thing or kind of thing. medicine or remedy effective in treating particular disease.