Ah, the monogram. It's one of the oldest forms of identification. Something that represents a person or a family, sewn into fabric or embossed onto furniture. It's also a beloved and practically mandatory tradition here in the South. Not to say monograms aren't tricky, though. If you've ever wondered what letters go where, how to monogram a two-word last name, or what in the world you would do for a same-sex couple, here's a quick guide on proper monogram etiquette.