Idioms
An idiom is a widely used saying or expression containing a figurative meaning that differs from the phrase's literal meaning.
Idiom:
catch up on (something)
Meaning:
to do something that you have not had time to do, to learn about something (the daily news or news about old friends)
Example:
I need to catch up on some of my reading this weekend. I met my friend and we caught up on some news.
List of common idioms, their meanings and examples of their usage in sentences
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.