Pure geometric forms, linearity, symmetry, repetition, simple, sans-serif fonts, the dominance of red and black, photomontage. Using these elements, Constructivists would create a graphic design style that rejected all artifice and that we still associate with post-revolution Russia today.
https://www.connectionsbyfinsa.com/russian-constructivism/?lang=en
Constructivism, Russian Konstruktivizm, Russian artistic and architectural movement that was first influenced by Cubism and Futurism and is generally considered to have been initiated in 1913 with the “painting reliefs”—abstract geometric constructions—of Vladimir Tatlin.