The ancient Roman scholar plenty the elder delayed and unbelievable story in which the little add a poem 100 to pages long was written on parchment paper and inserted into the shelf of a walnut William Shakespeare later references history when his character Hamlet uses the phrase in a nutshell to describe something that is compact what is the meaning of the illusion in the sentence below so in a nutshell that's the story of my month long trip to Iceland in a contrast way in conclusive

The meaning of the illusion in the sentence is that the speaker is summarizing their month-long trip to Iceland in a concise and compact manner, just like a story written on a small piece of parchment paper inserted into the shelf of a walnut. However, the phrase "in a contrast way in conclusive" is not clear and may contain errors.