to fly in the air

empty air / meaninglessness / (Buddhism) sunyata: emptiness, vacuity, awareness, openness, thusness / (Buddhism) void: one of the 五大 (godai, literally “great five”) and the highest of the five elements

swallow

a swallow (bird)

a barn swallow

a place name, such as that of Tsubame City in Niigata Prefecture

to fly / to jump / to go quickly / to splash, splatter

to see, to watch, to observe, to look at something / to look over, to examine, to judge / to take care of, to look after, to keep an eye on somebody

disgraceful, shameful, indecent / shabby, unsightly

in a flash, in an instant