Idioms
An idiom is a group of words, or in other words, a phrase that has a meaning other than its literal meaning of the words in it.
Idiom:
down at the heels
Meaning:
to be shabby, to be poorly dressed
Example:
The man looked down at the heels after he was fired from his job.
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