Idioms
Idioms are phrases which cannot be understood simply by looking at the meaning of the individual words in the phrase.
Idiom:
keep (something) under wraps
Meaning:
to keep something concealed (until some future date)
Example:
We plan to keep our plans for the new project under wraps.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is a type of phrase or expression that has a meaning that can't be deciphered by defining the individual words.