sum-up (noun)

1. The sum-up of the epic fantasy novel is a concise explanation of the main characters' quest to defeat the evil sorcerer and restore peace to the land.

2. The sum-up of the literary essay offers a succinct overview of the author's main argument and supporting evidence.

3. In this art gallery, each painting is accompanied by a sum-up that describes the artist's intention and the key elements depicted.

4. Before starting each episode, the anime series provides a sum-up of the previous events to ensure the viewers are up to date with the plot.