Business English Idioms

"... Understanding Business Idioms

It is an essential skill to understand business idioms, because  they are commonly used throughout the business world. If you don’t understand  it is easy to get lost and confused...."

e.g. Idiom:  Blue sky thinking

Meaning:  Original or creative thinking to find a new solution or concept.
Example:  Our sales are falling and our product range is old and unfashionable. What we need is some “blue sky thinking”.

for more : https://www.businessenglishresources.com/learn-english-for-business/student-section/business-vocabulary/most-common-business-idioms/