Sequence diagram of a user interacting with a static site. Three columns titled: User, Browser, Server. First set of actions: 1. User opens /index.html 2. Browser gets /index.html 3. Server finds file at public/index.html 4. Browser renders HTML Second set of actions: 1. User clicks 🎉 link. Arrow to browser crosses a NEW PAGE boundary. 2. Browser gets /🎉.html 3. Server finds file at public/🎉.html 4. Browser renders HTML