Definition Optical is to be seen in opposition or complement to Tactile.
This duality is conceptualized by Walter Benjamin in regards to the reception buildings.
Source β€œBuildings are received in a twofold manner: by use and by Perception. Or, better: tactilely and optically.β€œ
Walter Benjamin, 1936
Backlinks UHO, 2021 Bus stop, 2015 00 Marfa, 2018 00 Brexit Monument, Tactile, Habit