If you are having problems keeping your thoughts organized you might want to check out this platform. Best mind mapping platform I have found. (It is free which is a big plus) "Unlocking Creativity and Organization with Obsidian"
My activity Book 📖. Each individual has its own way to keep notes , points , hints for next especially those who are content writers. I keep a copy and pen with me especially when I travel outside, far city and I write ✍️ points by my pen whatever I observe or came in mind. Today's video is all about my log book 📖. Unedited and raw video about this activity attached. How you keep your notes?