Yahweh uses this question to emphasize that Job cannot explain why ostriches behave the way that they do. (See: [[rc://en/ta/man/translate/figs-rquestion]])
## ostrich ##
a very large bird that can run very fast but cannot fly
## wave proudly ##
"move with joy"
## pinions ##
the very long feathers on the wings of birds
## plumage ##
the smaller feathers that are all over the body of a bird
## of love ##
Possible meanings are 1) "of faithfulness" or 2) "of a stork." The name of the stork meant "the faithful one" or "the loving one" because people knew that storks take very good care of their chicks.