Q: Does the word "trend" mean the same thing in "Not openly liberal but that is the trend of the book." and "The trend of the stock market."?

A: different meanings

Q: Does the word "be" mean the same thing in "When will the meeting be?" and "The sky is blue."?

A: the same meaning

Q: Does the word "air" mean the same thing in "There was a tension in the air which made me suspect an approaching storm." and "A smell of chemicals in the air."?

A: the same meaning

Q: Does the word "patch" mean the same thing in "Patch the skirt." and "The field was patched with snow."?

A:
different meanings