Problem: Sentence1: I am not of your persuasion.
Sentence2: It is his persuasion that abortion should never be condoned.
Q: Does the term persuasion mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: She managed to catch herself before telling her boss what was on her mind.
Sentence2: He caught the allusion in her glance.
Q: Does the term catch mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: A flash sewn on his sleeve indicated the unit he belonged to.
Sentence2: Red flashes adorned the airplane.
Q: Does the term flash mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: The seat of a saddle.
Sentence2: There were not enough seats for all the guests.
Q: Does the term seat mean the same thing in both these sentences?

Answer:
the same meaning