What is the main function of singnal word

In at least one hundred words, discuss how the man with the umbrella in sorrentino’s “there’s a man in the habit of hitting me on the head with an umbrella” is an example of an extended metaphor and what central theme he conveys.

Olivia is making scarves each scarf will have 5 rectangles and 2-5 of the rectangles with be purple how many purple rectangles does she need for three scarves

Doug plans to end his adventure story by introducing a new character during the climax. the new character happens to be an experienced guide who will lead the protagonist down a treacherous mountain and into safety. explain the problem with his plan.