This is the 4437th most frequent Russian word.
вниз
"Вниз" means "down" or "downward" in English.
The word 'вниз' indicates the direction of looking downwards from a higher point.
Я смотрю вниз с крыши.
I am looking down from the roof.
The word 'вниз' is used to denote the motion towards a lower point or level.
Он спустился вниз по лестнице.
He went down the stairs.
Here 'вниз' expresses the direction of flight as descending from a higher starting point.