FIELDS arranged by PURITY c/o xkcd
The cartoon below is one [ http://xkcd.com/435/ ] of many amusing and creative comic sketches on xkcd - A webcomic of romance, sarcasm, math, and language. The web has produced many variations on this particular theme, this example I came across on twitter.
While Hodges' model appears to support pigeon-holing, categorising things including knowledge this is not the case. The model seeks to encourage context-related reflection and assuring an integrated and holistic perspective.