This is the 3931st most frequent Russian word.
два
"Два" means "two."
The word 'два' is used as a cardinal number indicating quantity.
У меня есть два яблока.
I have two apples.
The word 'два' references the specific number of people in the subject.
Эти два человека идут туда.
These two people are going there.
The word 'два' is in the genitive case form 'двух', referring to a pair within a complex conceptual action.