The Department is the base category on WikiToLearn. It identifies the subject of a topic and contains all the topics related to the Department's subject
It is comparable to a university course
It is a logic group collecting chapters inside a topic. For example in section Molecules there are the chapters related to that subject.
Chapters are true content pages. Each chapter belongs to a topic and is inserted in a section. Chapters must not be too long and cannot have subchapters.
Collection A collection is a book made by putting together chapters. It can be built through "book creator". Further informations are available in Create a book