Idioms
A group of words which have a different meaning when used together from the one they would have if you took the meaning of each word separately.
Idiom:
red herring
Meaning:
something that draws attention away from the matter that is under consideration
Example:
The issue of salary is a red herring and is not related to the main issues of the negotiations.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is a widely used saying or expression containing a figurative meaning that differs from the phrase's literal meaning.