Problem: Sentence1: The political left is not holding enough power.
Sentence2: Jab with your left.
Q: Does the term left mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Will you trade your precious watch for my earring?
Sentence2: The stock traded around $20 a share.
Q: Does the term trade mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Whatever it was he didn't like it and he was going to let them know by making as loud a noise as he could.
Sentence2: The announcement of the election recount caused a lot of noise.
Q: Does the term noise mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Insiders said the company's stock was in play.
Sentence2: The play of light on the water.
Q: Does the term play mean the same thing in both these sentences?

Answer:
different meanings