The Terrains: into black existence, exhibit is all about the poetics of black ontology, which is a metaphysics term referring to the philosophical study of being. Deep, we know. Let’s try to clarify: According to the promotional material, “Terrains: into black existence offers a place to examine how artistic expression, emotional, and intellectual work collapse into constellations that complicate colonial boundaries of existence and endings.” The works of seven artists -- Jonathan Gonzalez, Aamirah Khafre, Ingrid Raphael, Danielle Morris, zekkreya el-margharbel, Tafari Robertson, and David Norori -- will be showcased. Curated by Mai Eltahir. Wednesdays to Sundays, 9 a.m. to 5 p.m. EST. Exhibit-closing artists’ conversation on Sunday, September 24, from noon to 2 p.m. EST. Da Vinci Art Alliance (Gallery 1), 704 Catharine St., South Philadelphia. 267-388-2835 or davinciartalliance.org.