Poetry: 

literary work in which the expression of feelings and ideas is given intensity by the use of distinctive style and rhythm; poems collectively or as a genre of literature.

Protest:

a statement or action expressing disapproval of or objection to something.

"Poetry of Protest" delves into the essence of protest signage, paring down the written words to their rawest form, allowing their phrasing and inherent meaning to emerge as concise, powerful protest poems—an extension of the Signs of Protest project.