Also, forgot to mention, the excalidraw plugin is absolute magic, and works great with an iPad. TLDR: You can embed excalidraw drawings/diagrams in your notes

Also, forgot to mention, the excalidraw plugin is absolute magic, and works great with an iPad. TLDR: You can embed excalidraw drawings/diagrams in your notes and edit them there. Moreover, inside of the excalidraw diagram you can use markdown and arbitrary obsidian references, so it composes both ways.