What is a adverb and example of it

Adverbs modify or describe adjectives, verbs, and other adverbs. They answer the questions: where? when? why? how? to what extent?

Adverbs often end in -ly.

Examples:
slowly
carefully
beautifully
never
always

Also see this site.

http://www.chompchomp.com/terms/adverb.htm

Thank you Ms.Sue

You're welcome, Lilly.