Ars dictaminis
（重定向自Dictamen）
The ars dictaminis was the medieval description of the art of prose composition, and more specifically of the writing of letters (dictamen). It is closely linked to the ars dictandi, covering the composition of documents other than letters. The standing assumption was that these writings would be composed in Latin, and according to well worked-out models. This made the arts of composition a subfield of rhetoric.