This is the 984th most frequent Armenian word.
գիտեն
"Գիտեն" means "they know" in English.
In this sentence, 'գիտեն' (know) conveys the children's understanding or awareness of a certain rule.
Երեխաները գիտեն, որ դպրոցում պետք է լռություն պահպանել։
Children know that they must keep silence in school.
Here, 'գիտեն' (know) refers to familiarity or knowledge about a specific book.
Ասեք ինձ, արդյոք նրանք գիտեն այս գիրքը։
Tell me if they know about this book.
In this context, 'գիտեն' (know) is expressed in its negative form as 'չգիտեմ' (do not know), indicating a lack of knowledge or awareness.