This is the 288th most frequent Spanish word.
vehículo
A means of transport.
Here, 'vehículo' is used in its direct meaning, referring to an automobile or means of transportation.
El vehículo que compré es rojo.
The vehicle I bought is red.
In this sentence, 'vehículo' takes on a metaphorical sense, signifying a medium or means of conveying something.
La literatura puede ser un vehículo para expresar ideas.
Literature can be a vehicle to express ideas.
This usage of 'vehículo' refers again to its standard meaning, encompassing all types of machines used for transport.