* Jell-O: This is a popular brand of gelatin dessert, usually flavored and made with water.
* Gelatin: This is a protein derived from collagen, often used as a gelling agent in desserts, candies, and other foods.
It's also possible that "jeliten" is a word from another language or a specific dialect. If you could provide more context, such as where you encountered the term, I might be able to help you further.