Sentence:  ...a shift to modernist building typologies in the early 1950s led to the abandonment of symmetry, centrality, and <WSD>figuration</WSD>. Since the 1980s, big-box typologies, frosted with postmodern architectural veneer, have dominated. 
Meaning of the word marked with <WSD> tags:  Ornamentation or decoration, especially by the addition of figures.