Construction regulates design. Different techniques lead to different styles. Apply it to unify the poem. Gather complementary ideas or establish your own idiom. Pattern forces cohesion or indicates coherence.
Pattern compels metonymy, synecdoche, or offers consistency a twist.
Accents, motifs, and variants continue design's rhythm. Ideas and rhythms work alike. Humans desire balance, cadence, resonance in form. The whole arrangement is established. The end of which is that there is a suggestion that there can be a different whiteness to a wall.