This is the 5164th most frequent Russian word.
неба
The Russian word "неба" means "sky" or "heavens" (genitive or singular form).
In this context, 'неба' is used in its genitive form to describe the sky.
Мои мечты высоко, как облака на небе.
My dreams are high, like clouds in the sky.
Here, 'с неба' uses the preposition 'с', indicating a movement or an origin from the sky.
У него дар сочинять музыку прямо с неба.
He has the gift of composing music straight from the sky.
In this example, 'небе' reflects the prepositional case when indicating location, 'on the sky'.