Idioms
An idiom is defined as - a group of words in a fixed order that has a particular meaning that is different from the meanings of each word on its own.
Idiom:
pick on (someone)
Meaning:
to do or say bad things to someone
Example:
The boy always picked on his sister when they were children.
List of common idioms, their meanings and examples of their usage in sentences
The language peculiar to a people or to a district, community, or class