This is the 4995th most frequent Russian word.
лежат
"Лежат" means "they lie" (as in being in a horizontal position).
The word 'лежат' is used to indicate the state of the books being placed physically on the table.
Книги лежат на столе.
The books are lying on the table.
Here, 'лежит' describes the static presence of snow situated on the roof.
Снег лежит на крыше дома.
Snow lies on the roof of the house.
In this example, 'лежат' describes the placement of coins inside the box.