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

What the purple/ gold symbol over 2 character in the new HotS loading screen? - Person Wearing Round White Analog Watch at 10:09

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

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What the purple/ gold symbol over 2 character in the new HotS loading screen? - 2022 Candles

What the purple/ gold symbol over 2 character in the new HotS loading screen? - Christmas composition of golden ribbon and hanging decorations

What the purple/ gold symbol over 2 character in the new HotS loading screen? - Christmas baubles with wreath and shiny ornaments

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