This is the 1903rd most frequent Russian word.
прекрасно
"Прекрасно" means "beautifully" or "perfectly."
Here, 'прекрасно' describes an exceptional condition or quality of the weather.
Погода сегодня просто прекрасна.
The weather today is just wonderful.
'Прекрасно' is used adverbially to denote a thoroughly excellent understanding or comprehension.
Он прекрасно понимает, что происходит.
He perfectly understands what is happening.
In this sentence, 'прекрасно' acts as an adverb describing the manner in which the task was completed.