What does the purple circle mean on Snapchat?

[daisyfrank]

If you are a Snapchat user then you may have noticed that some of your Snapchat user's profile with a purple ring lock. What does it mean? Do you know? If not, then wait we are here to help you. When you see a purple ring lock on Snapchat on someone’s friend profile, it means he or she may have added to view their private story. Just like Instagram, we have added some people to our close friend list, the the same as we add Snaps stories into private stories.