Board Thread:Naruto News/@comment-26408596-20150503091622/@comment-25283946-20150526160617

We see this symbol on Sakura's clothes and her mother's Clothes. But we see it even on the forehead of Hashirama when he uses the senjutsu[] and on the Naruto's clothes when he uses Six Paths Sage Mode[]. Perhaps this symbol could mean "Physical Strength".