Discourse analysis examines ways to analyze language use and semiotic events. As the science of language, linguistics is a science by way of this semiotic phonology. This "social semiotic" is encoded and maintained by the discourse system of the culture. The music of the Freemasons contained musical phrases and forms that held specific semiotic meanings. The sequences can provide interesting examples of the arbitrariness of semiotic signs. Another critique comes from semiotic theorists such as Deacon and Kull. The cultural perspective can also be seen as the semiotic perspective. Legal scholars promoting copyright reform sometimes use slash fiction as an example of semiotic democracy. This entails that one sign-vehicle may function in multiple semiotic modes simultaneously. Peirce made various classifications of his semiotic elements, especially of the sign and the interpretant. In various relations, the same thing may be sign or semiotic object. He was also the chair of the university's Research Center for Language and Semiotic Studies. The second popular semiotic model that exists is the Peircean Model. He co-founded and became Secretary General of the International Association for Semiotic Studies. He called it both "semiotic" and "semeiotic".