The Aztecs were an elite solidierly empire found in Central Mexico at the beginning of the 16th Century C.E. Aztecs originated in northern Mexico, but soon found fertile, settled land in the Valley of Mexico at 14th Century C.E., a place already divided by city states. It was here, in the marshes of Lake Texcoco, that the Aztecs built their new city, Tenochtitlan.
Nahuatl is the language that the Aztec spoke, a language spoken by the majority of Central Mexico, as well as large parts of MesoAmerica. The language itself resembles Mixtec (1200 C.E.-1600 C.E.) for in both, dots are used for numbers less than twenty, styles for compound signs are similar, and both used heavily painted scenes with short texts for narratives instead of longer texts.
Nahuatl writing was used mainly for three things: to write the names of people and places, to record (mathematical) calculations and, it's core function, to mark calendrical dates, most importantly the Tonalpuhualli. In addition to calendrical and numeric signs, logograms (a grapheme which represents a word or a morpheme) were used to mark down historical events or to write down personal names and names of places. Only pictorial representations of events have been found for the Nahuatl writing system; none have been found with long texts to record history.
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