This is the 7264th most frequent Russian word.
волны
"Waves."
Here, 'волны' is used to describe the physical phenomenon of sea waves.
Волны моря сегодня очень спокойные.
The sea waves are very calm today.
In this context, 'волны' metaphorically describes waves of emotion.
Музыка вызвала во мне волны вдохновения.
The music brought waves of inspiration in me.
Here, 'волны' refers to electromagnetic waves, specifically radio waves.