What is the difference between primary and secondary epic | Difference between primary epic and secondary epic.

 Difference between primary epic and secondary epic:

Primary epic is also known as oral or primitive. on the other hand, secondary epic is also known as literary. Primary epic belongs  to oral tradition. It is composed orally and recited. In some cases, it is written down later. But the secondary epic is written down at the start.

"Beowulf", "Iliad", are the examples of primary epic. And "Paradise Lost" is the example of secondary epic.