An ars poetica poem examines the poet’s role as a subject himself, what his or her relationship is to the poem and the reasons behind writing the poem. Ars Poetica poems represent a declaration of the writer’s beliefs about poetry.
An epistle or epistolary poetry is a letter in either poem or prose form. These literary letters are addressed to a particular person or group. This poem type dates back to as far as the Roman empire. From letters written during that era, it was further developed and popularized by the great Roman poets, Horace and Ovid.