Ode
A formal, often lengthy lyric poem addressed to a person, thing, or idea in praise or meditation.
An ode elevates its subject through serious, elevated language and a contemplative or celebratory tone. Writers use it to explore beauty, mortality, or feeling at length, often addressing the subject directly. Its dignified form suits reflection more than storytelling.
Example
Keats addresses an ancient urn directly, turning his praise into a meditation on art, time, and unchanging beauty.
Ode on a Grecian Urn · John Keats