N_D: Not Defined (If you know where to place these, please place them in the right 'theme').
Books: Everything with a table of contents and longer than 50 pages.
Posts: Posts (commonly blogposts) small one-page literature (with an informational subject).
Papers: Scientific papers (You know...).
Blogs: website consisting of multiple posts.
Lists: A list of some sorts (tools, commands, etc.) without (much) explanations.
Cheat sheets: A list with common commands to use with a certain tool or in a scenario, with explanation of what it does.
Databases: Larger searchable lists about a subject.
Tutorials: (Web)Page about a specific subject for learning a specific part of a tool, langauge, exploit, etc.
Videos: One video about a subject (a video from youtube, daily motion, twitch clip, etc.).
Courses: Multiple Tutorials stacked into lessons about a certain (larger than with a tutorial) subject.
Challenges: CTFs, wargames and other challenges on a certain subject.
Writeups: Explainations of the CTFs, wargames or challenges.
Playlists: Youtube channels, playlists or other video based 'collection'.
Tools: (Web based) programs, frameworks, etc. about a certain subject.
Podcasts: audio based fragments of certain subjects.
dumps: shared (private) cloud services with multiple files (books, courses, etc.)
EXCEPTION: Everything in [Hacking & Security Resources, but if it fits.....]
https://drive.google.com/file/d/1dxw7KXTyNHCpCwIzVHXD9JclXq3YQ3xf/view (Burp Suite Cracked 2020.4)