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:
on (someone's) head
Meaning:
on someone's own self (often used with blame)
Example:
The responsibility for fixing the computer was on my head.
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