Side navigation, top bars, and tab bars — the frame every product lives inside. Platform conventions differ more here than anywhere else.
Also appears as: Side Navigation · Sidebar · App bar · Tab Bar · Top navigation
The reference root navigation for iOS apps — three to five top-level destinations, badge support, large-content viewer.
Read the Apple Human Interface Guidelines breakdownMulti-level nav patterns built for products with deep IA.
Read the Atlassian Design System breakdownBBC's global header/navigation component with branded affordances.
Read the BBC GEL breakdownMulti-product navigation with project-switcher and persistent contextual sub-nav, designed for operators who pivot across HashiCorp products in a session.
Read the Helios breakdownComposable header with scroll-aware elevation behavior.
Read the Material 3 breakdownConfigurable side navigation with collapse, expand, and active-state patterns.
Read the Paste breakdown