Pick up nearly any book on research methods and you will find a description of a literature review.
At a basic level, the term implies a survey of factual or nonfiction books, articles, and other documents published on a particular subject.
Definitions may be similar across the disciplines, with new types and definitions continuing to emerge.
It is especially important to consider other disciplines when you do not find much on your topic in one discipline.
You will need to search the cognate literature before claiming there is “little previous research” on your topic.