your endnote library is where you will store all of your citations. within the library, you can create groups to orgranize them.
a group set can contain any combination of groups and smart groups. think of it as a heading for the group. a group is a collection of articles that are similar. you can create and name group sets and groups that meet your research needs.
you must create a group under a group set in order to add citations.
to create a group set:
to create a group: