what is meaning of idioms? it's examples.

'Idiom' means - "A group of words established by usage as having a meaning not deducible from those of the individual words". Example:- ♧Actions speak louder than words --- People's intentions can be judged better by what they do than what they say. ♧ Add insult to injury --- To further a loss with mockery or indignity; to worsen an unfavorable situation.