Erasure poetry, also known as blackout poetry, is a form of found poetry wherein a poet takes an existing text and erases, blacks out, or otherwise obscures a portion of the text.
Blackout poetry, also known as erasure or redacted poetry, is all types of found poetry. Specifically, found poetry has a goal of using pre-existing or "found" text to create something new. Portions of the original text are kept, while other parts are drawn over or crossed out.
Image poem: "Blackout Poetry" by Tyler Knott Gregson