Lilac breasted roller on a sign post

Semiotics

Semiotics is of central importance to twentieth century literary theory, growing out of structuralism and developing into postructuralism.The lilac breasted roller perched on the sign post aptly signifies both semiotics and the Vault emblem.

This link takes you to a highly accessible open and online introduction to semiotics. It is strongly recommended as prior reading for the THL 2601 module.