the titan Atlas, the Greek giant who held the world on his shoulders? Surely it would be easy for him to hold up a temple with just one finger. If you become a monk, the only possessions you are allowed to have are the things you can hold in your fingers when you arrive at the temple.
similar to & or + in English. As an element, we will give it a more concrete meaning: crotch. It looks like the lower body of a person with legs crossed.