The PDF linked below has some examples of Drone Parts, Kits, and FPV gear. This was provided by Paul Brown, check him out on youtube here: https://www.youtube.com/user/louispfloyd
In the PDF it mentions “ARF” and “RTF” Kits. Here is an article explaining the what these terms mean.
If you have questions about any terminology please see this article on common terms, abbreviations, and acronyms.