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:
at (someone's) earliest convenience
Meaning:
when something is convenient for someone
Example:
I plan to speak to the bank manager at his earliest convenience.
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