App UI layout structure organizing a note-taking interface with sidebar navigation, user area, and editing workspace. The architecture connects SideBar with UserArea and EditBlock, while NotePort manages the note display with NoteTitle, NoteTitleSpace, and action buttons like PublishButton and NoteTitleButton. This modular component hierarchy demonstrates best practices for separating navigation, user context, and content editing concerns. Fork and customize this diagram on Diagrams.so to prototype your own note app layout or document component relationships. The SandwichButton and SideBarItem components enable responsive menu patterns common in modern web applications.