Q: Does the word "play" mean the same thing in "Play water from a hose." and "The fountains played all day."?

A: the same meaning

Q: Does the word "wall" mean the same thing in "The south wall had a small window." and "A wall of prejudice."?

A: different meanings

Q: Does the word "year" mean the same thing in "In the year 1920." and "This Chinese year is the year of the Rooster."?

A: the same meaning

Q: Does the word "set" mean the same thing in "To set pear trees in an orchard." and "Set these words in italics."?

A:
different meanings