This is the 15526th most frequent German word.
vorderen
"Vorderen" means "front" or "forward" in English, often used to describe something located at the front.
The word 'vordere' is used as an adjective here to describe the room as being located at the front part of a location.
Das vordere Zimmer ist sonnig.
The front room is sunny.
In this context, 'vorderen' modifies 'Teil', indicating it is the part situated towards the front.
Am vorderen Teil des Gartens wächst der Kirschbaum.
In the front part of the garden, the cherry tree grows.
Here, 'vorderen' is describing 'Bereich', signaling the front area of the bus as a location for sitting.