aba form in motion
Parallel movement over time as a pattern for perceptual and structural integrity.
Kim. J. (2011). Typographic elements and principles in time: applying motion proximity and motion common-fate to identify legibility and aba form in motion. The Proceedings of European Academy of Design, Endless End, International Conference, University of Porto, School of Fine Arts, Porto, Portugal, May 4-7, 2011. 374-387.