It helps in creating the subsets of people, get connected and keep sharing the content and updates with them.
Creation and Joining the Communities to Related Network
The circles can be based on friends, customers, business partners, prospective customers, affiliates or influencers to follow.
Communities feature helps in organizing a group of people in and around some of the other topic of a cause for concern.
Initiating the Collections to Classify Content
Google+ Collections offers the feature of grouping the posts by topic. The classification of the posts is facilitated.