Function of Folders Auto-Created in Contacts

I’m using the latest non-beta version of eM Client. When I look at my Contacts, I see this:


I didn’t make these folders. eM Client (or Gmail?) seems to have placed different contacts in different folders.  Can anyone explain whence these folders, or why?  What is the significance of the orange square?

Will it cause problems if I move them all into one folder?

Thanks!

Hi, couloured categories under gmail accounts are your “labels” for your contacts, mostly users have a number of labels which they use for organizing their contacts, all your contacts should be visible under the “Contacts” folder.

Having all contacts under one folder will not cause any problems.

Hope this helps,
Paul.