2. what roles do the “feminine” figures play in the development of the narrative or in the development of gilgamesh and enkidu?

There are two "feminine" figures, two women who convey learning and is.  The first is the Priestess Shamhat. She  is sent to tame the wild-man, Enkidu.Her role is a benevolent force that brings knowledge and civilization to a great hero, preparing him for the trials ahead.
The second prominent woman in Gilgamesh is the tavern-keeper, Shiduri.
Shiduri offers him a treasure of practical wisdom. She symbolizes the goddess.

4and 5 are the correct details