What the purple/ gold symbol over 2 character in the new HotS loading screen?

What do these symbols mean?? Does it mean they are in a group?

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Solution 1:

This was a new feature added in the Dec 15, 2015 patch to help identify which players are grouped together in a party.

Party Indicator Icons

New Loading Screen icons have been added to indicate which players queued together as a part:

Players in the same party will appear next to each other on loading screens.

Parties will be separated by icon color so that it is easier to see how many parties there are, and how many players are in each.

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