Use an outliner without turning it into a system.
Learn a simple outliner workflow: write one line at a time, indent related details, collapse finished branches, and find notes again.
Use an outline without overbuilding it.
Practical guides for writing in lines, adding hierarchy, and keeping information separate from actions.
Read guide
Keep information as bullets. Mark actions as checklists.
Use bullets for information and checklist items for actions. See how both can live in the same outline without turning every note into a task.