Idioms
An idiom is a group of words, or in other words, a phrase that has a meaning different from the literal meaning of the words in it.
Idiom:
too bad
Meaning:
worthy of sorrow or regret
Example:
It is too bad that the university decided to close the bookstore last year.
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