Network sets define network groups. Each network object can simultaneously belong to one Network set. Network sets can be used in any rules. If you use a Network set as a source in Network Rules, Public Networks belonging to it will not be used in the rule.

Groups

Groups define user groups. Each user can belong to only one group at a time. Group can be used in any rules except Network Rules.

Computer sets

Computer sets define computer groups. Each computer can belong to only one Computer sets at a time. Computer sets can be used in any rules.