Compendiary and In a nutshell

In a nutshell and compendiary are semantically related in brief topic. In some cases you can use "In a nutshell" instead an adjective "Compendiary", when it comes to topics like short, concise, abridged.

In a nutshell adverb - Summed up briefly.

Compendiary and in a nutshell are semantically related in brief topic. Sometimes you can use "Compendiary" instead an adjective phrase "In a nutshell", if it concerns topics such as short, concise, abridged.