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:
time and time again
Meaning:
repeatedly, over and over
Example:
The teacher told the students time and time again that they must do their homework.
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