Synchro Summon

A Synchro Summon (Japanese: シンクロ Shinkuro Shōkan) is the act of Properly Summoning a Synchro Monster from the Extra Deck using a Tuner monster with additional non-Tuner monsters.

In the anime
In Arc V, Synchro Summoning appears to be more advanced than it was in ''Yu-Gi-Oh! 5D'' as can be seen by the Synchro Rings are surrounded by multiple small rotating rectangles, which gives them a more futuristic look, implying that in the future the actual Synchro Summoning method has evolved.