Q: Does "pipe" have the same meaning in the following two sentences?

Pipe a tune.

Pipe oil, water, and gas into the desert.

A: different meanings

Q: Does "summit" have the same meaning in the following two sentences?

The region is a few molecules wide at the summit.

In summer, it is possible to hike to the summit of Mt. Shasta.

A: the same meaning

Q: Does "course" have the same meaning in the following two sentences?

The course was less than a mile.

He took a course in basket weaving.

A:
different meanings