Answer:
1.
a book forming part of a work or series.
"a biography of George Bernard Shaw in three volumes"
a single book or a bound collection of printed sheets.
"a botanical library of 5,000 volumes"
2.
the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
"the sewer could not cope with the volume of rainwater"
Explanation: Have a good day/night!