Answer:
#bigbangtheory
Explanation:
I am only on season 4 though
I would say form, texture and color for this piece but mostly focused on texture
I can’t see any picture ...
Interestingly, all of these subjects are combined in linear perspective, which uses geometric lines and a vanishing point to give the illusion of depth and space to painting. Giotto, Brunelleschi, and Alberti experimented and/or wrote about linear perspective and helped pave the way for future Renaissance artists.