"Visual heft" refers to the perceived weight or significance of an image or object based on how it appears visually. It suggests that something looks or feels substantial, impactful, or important when seen visually. Full definition
A braided leather mirror adds visual heft. (diynetwork.com)
Vivid images from the exhibition permeate the entire volume giving visual heft to essays by Jones; Carbone; Connie H. Choi, research associate in the Arts of the Americas and Europe at the Brooklyn Museum; and Cynthia A. Young, director of the African and African Diaspora Studies Program and associate professor of English at Boston College. (culturetype.com)
A former high school basketball player who savors the physicality of both sports and of making paintings, Fishman explains that, if she «can get past the rectangle» — a typical painting's format, which to her suggests the landscape genre — and deftly handle the «weight,» or the perceived visual heft or presence of a work - in - progress, she can better enjoy the creative process that then unfolds. (brooklynrail.org)