yatagarasu ("eight-span crow") is construed as evidence of the will of heaven or divine intervention in human affairs. yatagarasu as a crow-god is a symbol specifically of guidance, a mark of rebirth and rejuvenation.
from 村田 (Murata) with 雨 (U) for rain and 月 (Getsu) for the moon, which translates to "rainy moon" or employs the common contemporary symbols of rain and moon.