Suvanto (englanniksi)

stream pool (s: joen kohta, jossa vesi virtaa muuta jokea hitaammin / stretch of a river or stream in which the water depth is above average and the water velocity is quite below average)
slow section in anything that might be understood as stream (s: figuratively)
e.g. in musical composition (s: figuratively)
history (s: figuratively)
life of a person (s: figuratively)
project etc (s: figuratively)