This is the 8393rd most frequent Swedish word.
baksätet
The back seat of a car.
The word 'baksätet' refers to the back seat of the car as the physical location where the children are seated.
Barnen satt i baksätet medan vi åkte genom landsbygden.
The children sat in the back seat while we drove through the countryside.
Here, 'baksätet' describes the back seat as a specified place where the book is located.
Boken låg på baksätet och jag kunde inte nå den.
The book was on the back seat and I couldn't reach it.
In this context, 'baksätet' is described as the location for preference of seating during travel.