what is the use of mozilla account itself what are the reasons this app was created.

I absolutely needing your help because i went through research about mozilla how helpful it is for people to be part of mozilla family because their support really make sense by, it really help people with mozilla account to make sure there account is well secure for more protection i really like the app so now i want this mozilla family or mozilla support to help me learn more about this app an also what are some of the articles about mozilla an also the community forum all this matters when it comes learning about mozilla thank you am waiting for your reply.