Question: Here is one sentence: Mark homework.
Here is another sentence: This sign marks the border.
Does the mark mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: I understand what she means.
Here is another sentence: I understand wanting more.
Does the understand mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: Should we classify "make up" as an idiom or as a phrasal verb?
Here is another sentence: How would you classify these pottery shards -- are they prehistoric?
Does the classify mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: See a movie.
Here is another sentence: This program will be seen all over the world.
Does the see mean the same thing in the two sentences?

Answer:
the same meaning