These guides introduce a concept: some chuck of knowledge that doesn't fit neatly under the umbrella of a specific tool or piece of software.
Examples:
The draft guidance for concept section structure is as follows.
The organization of a concept section will vary depending on the material.
Template files for creating new concept sections are available in the Protohaven GitHub organization:
https://github.com/protohaven/printed_materials
…or through typst.app: