There's a humorous SGML FAQ from many years ago (http://www.flightlab.com/~joe/sgml/faq-not.txt http://www.flightlab.com/~joe/sgml/faq-not.txt) which includes a

There's a humorous SGML FAQ from many years ago (http://www.flightlab.com/~joe/sgml/faq-not.txt http://www.flightlab.com/~joe/sgml/faq-not.txt) which includes a table explaining how web designers use SGML terminology. In essence, everything -- "element", "attribute", entity", etc. -- just maps to "tag". Some of the more enthusiastic new people to Ruby seem to do the same thing, only with everything -- "function", "class", "module", "library", etc. -- mapping to "DSL".