Problem: What are the most important words?
He gives his mother an anguished look, his brow creased.
Answer: give, look, mother

Problem: What are the most important words?
A breakfast of eggs, biscuits, and coffee with bacon arranged to show the number 54.
Answer: bacon, biscuit, breakfast, egg

Problem: What are the most important words?
as seen from the deck of the ferry that takes visitors
Answer:
deck, ferry, take