This is the 509th most frequent Russian word.
ооо
The Russian word "ООО" is an abbreviation for "Общество с ограниченной ответственностью," which means "Limited Liability Company (LLC)" in English.
Here, 'ооо' is used to express surprise and admiration.
Ооо, как красиво!
Oh, how beautiful!
In this sentence, 'ооо' conveys mild astonishment.
Ооо, вот это неожиданность.
Oh, what a surprise.
In this context, 'ооо' serves as an interjection denoting realization or newfound understanding.