Even though this flooring has a practical purpose, particularly in the rainy season when mud can be a problem, the decorative aspect recalls older forms of floor ornamentation. Cowrie shells used to be placed into floors in patterns. Since cowries were an old currency, they attested to the owner's wealth--so extreme that he could afford to seem casual about it. and have his visitors step on money.
I've never seen cleaner compounds anywhere. The whole of a household, inside and out, is swept every morning. When younger, Osaze would be out with a hose, a broom, and Vim or Omo, scrubbing the light-colored designs of Benin's red mud or dust.