Question

A four-year college-level degree is called

Answer 1

A four year degree is a bachelor's degree. It is the next step after an associate's degree, although most students who have a bachelor's will not have an associate's. 

Answer 2

A four-year college-level degree is called a bachelor degree.
If you decide to continue your education after receiving your bachelor degree, you will then pursue an associate degree.
If you decide to further pursue a higher degree after receiving an associate degree, you will then pursue a master degree.
Finally, once you have received your master degree, if you want to pursue an even higher education, you will then pursue a doctorate degree, or PhD.