The phrase 'in a nutshell' refers to something that is put forth in a concise manner. It basically means to summarise something and present it in as few words as necessary to understand the matter. It is the equivalent of the phrase, "to make a long story short". This means that only the central theme or the gist of the story is told, in order to save time. For example, "here's my idea, in a nutshell, I want to have a joint venture with you".
The phrase originated when Roman writer Pliny described Iliad, written by Homer that was copied in such a tiny hand that it was capable of fitting inside a nutshell. For some time after this phrase meant anything that was made smaller or compressed. Although from the 15th century onwards it started being applied only to written words or speech.
The phrase originated when Roman writer Pliny described Iliad, written by Homer that was copied in such a tiny hand that it was capable of fitting inside a nutshell. For some time after this phrase meant anything that was made smaller or compressed. Although from the 15th century onwards it started being applied only to written words or speech.