Yes. In many fantasy novels, all kinds of strange and creative materials are used. Wax linen could be a unique material in a fantasy world to wrap food. It might have special properties like being resistant to spoilage or having some sort of magical protection for the food.
In my old school, grey school shorts were part of the uniform. There was a time when we had a school play and the actors in grey school shorts had to do a lot of running around on stage. It was quite funny to see them trying not to trip over their own shorts while acting.
Yes. There was a sports day at our school. All the students in grey school shorts were running in the races. It was a sea of grey shorts moving around the track. It was really exciting to watch.
Well, without knowing the story, it could be that the red color of the boxer shorts is significant. Red is often associated with boldness or being noticeable. Maybe in the story, the character who wears the little red boxer shorts is trying to stand out or be different.
It might be enchanted. In a fantasy novel, the wax linen could have magical properties. For example, it could keep the food fresh indefinitely, regardless of how long it has been stored.
If 'Shorts Cuts Novel' refers to short novels or short story collections, one characteristic could be their conciseness. They manage to tell a complete story in a relatively short space.
Perhaps the girl's shorts are made of a light, flowy fabric like linen. They are white with some pastel-colored embroidery around the edges, like little flowers. They look very summery and give the impression of a carefree, beach - going girl.