In fact, these are simple, basic rules of the Indian Ocean, of what ties the pieces of land and continents together and of what separates.
Not easy to find the balance, or to know exactly when the tide is high or low, or when the time is now.
Time and tide are connected to the moon, and so is a woman's cyclus.
The layers of this grafitti in Hurumzi in Stone Town on Unguja is not as simple as it comes. And though this fits the Swahili Coast perfectly I do wonder if the street poet took inspiration from Chaucer?