Name: This is a name that you give the resource that will help you remember it. In many cases, this will be automatically filled with a good default name.
Group: This is the group to assign the resource to. Groups allow you to organize your resources for easier management. Groups appear in the tree on the left of the Overseer interface.
Comments: This is for your comments on this resource. Overseer does not use this field-- it is there for your convenience alone.