Archaeologist Jesús Sánchez, researcher of the INAH development the first analytic-taxonomic model that it can be applied to any object, ancient or modern, and called it archaeosemiotic, the study of the archaeological remains as signs for the message ideological of those who drafted them. The battlement of Tlahuizcalpantecuhtli (lord of red house of dawn) is an architectural element whose purpose was to serve as an emblem of the pre-Hispanic City of Teotihuacan. It was discovered by the author of this book in 1982. "This research constituted the master's degree thesis presented at the ENAH in 2012, so that, after having made corrections and additions to place, is now presented in his book version" (HKB Translation) --Page 14.