Dry: refers to the sky; Methyl, ethyl, propyl, butyl, pentyl, heptyl, octyl and non-undecyl.
Branch: refers to the ground branch; At noon, ugly Mao Yinchen went to Xu Hai, Shen You.
Branches: refers to the combination of heavenly stems and earthly branches.
Geomantic omen: The traditional view is academic metaphysics about the change of heaven and earth.