Question

in a nutshell - To put it in a nutshell: I don't want to go and I won't go.  - We've got to save money or the business will go bankrupt. That's it in a nutshell.

Accepted Answer

in brief; to say it in a short way The shell of a nut is a small object into which not very much will fit.

Idiom	in a nutshell
Definition	in brief; to say it in a short way
Examples	- To put it in a nutshell: I don't want to go and I won't go. - We've got to save money or the business will go bankrupt. That's it in a nutshell.
Note	The shell of a nut is a small object into which not very much will fit.

I Nutshell Short Put Save Money Business Bankrupt