Long pepper is a really interesting spice used in Asian and African cuisine. It tastes like black pepper but with a unique earthiness and a numbing aftertaste. You can substitute it in any recipe calling for black pepper.
A cranberry is a fruit. It grows on an evergreen dwarf shrub. Cranberries are in the genus Vaccinium, and its subgenus Oxycoccus. In some classification methods, they are regarded as a genus in their own right.