Documentary information that provides insight into the initial creation of works of art and their original functions . Two case studies: a historical narrative relating the creation of the work and its purpose and destination: duccio"s maesta for the high altar of siena cathedral, original inscriptions on the work of art itself, and simone martini"s maesta, Anything that was new in siena had to follow the architectural style of the previous buildings to continue the uniformity of the city. Sacred center of the city around the cathedral: lower half of the fa ade done by giovanni pisano. Secular center of the city around town hall and piazza del campo. Chronicle of siena, attributed to agnolo di tura (15th century). And thus was the painting placed in the cathedral on the high altar. Virgin mary was the patron saint of sienna. Wanted her to help with sienna"s economic growth.