Prelusion and Proem

Proem and prelusion are semantically related. in introduction topic. In some cases you can use "Proem" instead a noun "Prelusion", when it comes to topics like introduction to a document, beginning of event.

Proem noun - A short section (as of a book) that leads to or explains the main part.

Prelusion and proem are semantically related. You can use "Prelusion" instead a noun "Proem".