... the very act of erasure is evidence of the trauma suffered by the subject.

Italian concrete and visual poetry, mainly derived from literary sources, sought to challenge the conventional art work by dematerialising and publishing the art object, through the employment of calligraphy, collage, typeface, braille, photography, and other visual and textual elements. (p. 307-308)

Tornatore-Loong, M. (2011). Poesia Visiva: Italian Concrete and Visual Poetry of the 1960s and 1970s. International Journal Of The Arts In Society, 5(6), 307-347.

…if it is important that the arts should be sensitive to these movements of thought and movements of perception which affect or are going to affect people's lives, and I certainly think this is part of their function, then concrete poetry has its place. (p. 106)

Bell, E. (2012). Experimenting with the Verbivocovisual Edwin Morgan's Early Concrete Poetry. Scottish Literary Review, 4(2), 105-121.