This is an interesting chart. It talks about various typographical characters, common and uncommon.
These are the keywords that are covered: ae ligature, ampersand, asterism, backslash, bullet, claret, copyright symbol, dagger, double S, ellipsis, ellipses, escape, ditto, glyphs, hack, hash, hashtag, hedera, hurricane, interpunct, interrobang, irony punctuation, middot, octothorpe, paragraph mark, pilcrow, pipe, polon, registered trademark, reverse slash, section sign, service mark, solidus, symbol, tilde, tittle, trademark, typography, underscore, understrike, vertical bar, virtual character, whack
Typographical Characters Infographic
via: http://www.visualinformation.info/typographical-characters-infographic/