Board Thread:Boruto Discussions/@comment-1926479-20160603001424/@comment-945885-20160607015524

Very minor piece of info from the Chapter 1 recap in WSJ: the markings on Boruto and Kawaki are referred to as "sigils" or "crests" (紋章, monshō), a term which I don't think has ever been used in the series, though it most likely just refers to their appearance.