Extremely versatile: literally represents prayer or religious devotion, but colloquially in much of the Western internet it's used to mean 'please' or 'thank you' — a shift so common that many younger users are surprised to learn its original, more solemn intended meaning. That semantic drift (from sacred gesture to casual 'pretty please') is one of the most well-documented cases of emoji meaning shifting over time.
Keywords: appreciate, ask, beg, blessed, bow, cmon, five, folded, gesture, hand, high, please, pray, thanks, thx