Idioms
Idioms are phrases which cannot be understood simply by looking at the meaning of the individual words in the phrase.
Idiom:
run in (somewhere)
Meaning:
to make a brief visit or stop somewhere
Example:
I ran in to see my sister at her office before I left for the weekend.
List of common idioms, their meanings and examples of their usage in sentences
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.