Read the dictionary definition of vehicle. All definitions for this word.
1. a conveyance that transports people or objects
2. a medium for the expression or achievement of something
1. his editorials provided a vehicle for his political views
2. a congregation is a vehicle of group identity
3. the play was just a vehicle to display her talents
3. any inanimate object (as a towel or money or clothing or dishes or books or toys etc.) that can transmit infectious agents from one person to another
4. any substance that facilitates the use of a drug or pigment or other material that is mixed with it