It can be a means of escape. If the characters are being chased by evil creatures in the fantasy world, the car can speed them away to safety. Just like in our world, but with a more fantastical setting.
The car could be a key to a hidden world. Maybe there's a special keyhole in the dashboard, and when the right magical key is inserted, it opens a portal to another dimension within the fantasy story. This dimension could be filled with all sorts of strange and wonderful things.
Well, if we think about modern interpretations of Christmas stories, a car could be a central element in a story about a family's Christmas journey. For example, a family might be driving in their car to a special Christmas destination like a cabin in the woods. Along the way, they could encounter various Christmas - related things, like seeing Christmas lights on houses in small towns they pass through, or maybe they pick up a hitchhiker who turns out to be a Santa Claus in disguise. The car then becomes the setting for their Christmas adventure.
The family car in a Christmas story could be used to go Christmas shopping. The family drives to the mall or the local stores in their car. It might be a place where family members have important conversations during the Christmas preparations. Maybe the kids are excited about Christmas and they chatter away in the backseat as the parents drive to pick up the Christmas tree.
In 'A Christmas Story', the police car might be a symbol of authority and safety during the Christmas season in the story's setting. It could be there to ensure that the peace is maintained while all the Christmas - related activities are going on.
The family car might be the means of transportation to visit relatives during Christmas. For example, it could carry the family to grandma's house where they celebrate the holiday together.
A talking car in a Fairy Tail fanfiction could act as a plot device. For example, it could be the key to unlocking a powerful magical artifact. The car knows the location of this artifact but can't reach it alone. So, it teams up with the Fairy Tail characters. Along the way, they face various challenges together, and the car's presence drives the story forward as they all strive to reach the artifact and use its power for good or to stop an evil force from getting it.
It's mainly used for transportation in the movie.
The Nissan car in 'Pulp Fiction' could play several roles. It could be used to show the characters' status or style. For example, if it's an old and shabby Nissan, it might suggest that the characters are not very wealthy. Or if it's a nice - looking Nissan, it could imply a certain level of success or at least an attempt at presenting a good image. Also, it serves as a prop to move the story along by getting the characters from one place to another, and it helps to create the overall atmosphere of the movie's world, whether it's a seedy or more normal - looking environment depending on how the car is presented.
It can be a source of mystery. The characters in the story might not know what will happen when they use it.
Cats can play the role of a guide. They might lead the protagonist through a mysterious forest or an enchanted castle in the fantasy world.
In fantasy stories, a pharmacist can be a healer. They might use magical herbs and potions to cure various ailments, even those caused by dark magic. For example, they could create a potion to break a curse that has turned a character into an animal.