Giving an advantage, having a helpful effect.

occasionally, rather than all of time.

firmly established in particular habit, belief. To formally approve or check something.

Maintenance of machinery so it runs well, e.g. car. To help or do work for someone, e.g. in a store.

sentence worded or expressed so as to elicit information. To ask for or try to get information.

individual items of clothing suitable for wearing in different combinations. To divide two things by being in between them.

notional environment in which communication over computer networks occurs.

Causing trouble. Question to show understanding of a math concept.

Best liked or most enjoyed. A thing that someone likes best or enjoys most. record address of website or other data.

Used before you explain something simply, clearly.

Made for use by one single person. single human being.

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

without doubt.

Specific area or region within a larger place. To divide something into smaller parts.

flat round cake of minced beef.