Question: Here is one sentence: The baby was a boy.
Here is another sentence: The boys were playing kickball in the mud.
Does the boy mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: The number of parameters is small.
Here is another sentence: He had a number of chores to do.
Does the number mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: A peasant is not allowed to fall in love with a lady of quality.
Here is another sentence: Membership of this golf club is limited to those of quality and wealth.
Does the quality mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: We encountered an abandoned boat at the confluence of the Mississippi and Ohio Rivers.
Here is another sentence: Pittsburgh is located at the confluence of the Allegheny and Monongahela rivers.
Does the confluence mean the same thing in the two sentences?

Answer:
the same meaning