path, is kind of like your personal religion or belief. not every pagan casts spells, follows a deity, or the same religious views, so path is just a way of saying your own faith.
A path can be anything. It can be something you like to follow or study. A path has various information on what your studying. There all types of paths to take. You dont just have to have one of them. You can have many, but most do prefer to have one.