officially compulsory, or otherwise considered essential. To demand that someone does something.

Not of the same kind; unlike other things.

cause something to conform to standard.

To determine or set the cost of something.

characteristic quality or feature. Adjectives placed before the nouns they modify. (Of books, art, music) to say it was composed by.

Needed or required; unavoidable. basic requirements of life.

individual fact or item. Small parts of some things; tiny facts. describe fully.

Computers that can be increased or magnified.

class or division of people or things regarded as having particular shared characteristics. Groups of things that are similar in some way.

having paid employment. action of doing work. To make an effort to do something.

group acting together commercially. To mix several things together to form one thing.

To know the meaning of language, what someone says.

facts provided or learned.

person who buys goods or services from shop or business. People who buy goods or services from a business.

needing much effort or skill to accomplish, deal with, or understand.