# Utilities

- [Dynamic Regions](/apps/components/utilities/dynamic-regions.md): Dynamic regions allow you control the reload of data within the region.
- [Element](/apps/components/utilities/element.md): Information about UDElements.
- [Error Boundary](/apps/components/utilities/error-boundary.md): Error boundary component for apps.
- [Head Element](/apps/components/utilities/head-element.md): Add head element tags to your pages.
- [Protect Section](/apps/components/utilities/protect-section.md): Protect sections based on roles.
- [Transitions](/apps/components/utilities/transitions.md): Transition component for Universal Apps.
- [HTML](/apps/components/utilities/html.md): Define static HTML using Univeral apps.