An idiom is a widely used saying or expression containing a figurative meaning that differs from the phrase's literal meaning.
Idiom:
sum (something) up or sum up (something)
Meaning:
to put something into a few words, to summarize something
Example:
The speaker summed up his presentation and asked the audience for questions.
List of common idioms, their meanings and examples of their usage in sentences
An expression in the usage of a language that is peculiar to itself either in having a meaning that cannot be derived from the conjoined meanings of its elements or in its grammatically atypical use of words.