propositus (noun)

1. In the movie theater, the propositus is the main character who drives the plot.

2. The propositus in this painting is the figure at the center, around whom all other elements revolve.

3. The propositus in the novel is the protagonist, who encounters various challenges and undergoes personal growth.

4. In this comic book series, the propositus is the superhero whose actions shape the storyline and save the day.