Question: "set" used in the same way in the following two sentences?

The set of prime numbers is infinite.

The set of his mind was obvious.
Answer: different meanings
Question: "concatenation" used in the same way in the following two sentences?

It was caused by an improbable concatenation of circumstances.

A complicated concatenation of circumstances.
Answer: different meanings
Question: "window" used in the same way in the following two sentences?

You have a two-hour window of clear weather to finish working on the lawn.

Launch window.
Answer: the same meaning
Question: "case" used in the same way in the following two sentences?

The teaching consists of theory lessons and case studies.

It may rain in which case the picnic will be canceled.
Answer:
the same meaning