"... Of course, we have known for a long time that a word, like any verbal sign, is a unity of two components. The sign has two sides: the sound, or the material side on the one hand, and meaning, or the intelligible side on the other. Every word, and more generally every verbal sign, is a combination of sound and meaning, or to put it another way, a combination of signifier and signified, a combination which has been represented diagrammatically as follows ..." - Roman Jakobson, "Six Lectures on Sound and Meaning," 1942
