# Specialized controls and system surfaces index

Load only the item files that match the detected control or behavior.

- [Slider, range, stepper](items/specialized-controls/slider-range-stepper.md) (`RNG`)
- [Rating](items/specialized-controls/rating.md) (`RAT`)
- [Color picker](items/specialized-controls/color-picker.md) (`CLR`)
- [Progress, meter, skeleton](items/specialized-controls/progress-meter-skeleton.md) (`PRG`)
- [Audio and video player](items/specialized-controls/audio-and-video-player.md) (`MED`)
- [Camera, microphone, recording](items/specialized-controls/camera-microphone-recording.md) (`CAP`)
- [Image editor, cropper, annotation, signature canvas](items/specialized-controls/image-editor-cropper-annotation-signature-canvas.md) (`CAN`)
- [Code editor and structured text editor](items/specialized-controls/code-editor-and-structured-text-editor.md) (`CDE`)
- [Command palette, toolbar, keyboard shortcut](items/specialized-controls/command-palette-toolbar-keyboard-shortcut.md) (`CMD`)
- [Clipboard, share, print](items/specialized-controls/clipboard-share-print.md) (`CSP`)
- [Geolocation and device permissions](items/specialized-controls/geolocation-and-device-permissions.md) (`DEV`)
- [CAPTCHA and abuse challenge](items/specialized-controls/captcha-and-abuse-challenge.md) (`BOT`)
- [Iframe, embedded widget, third-party surface](items/specialized-controls/iframe-embedded-widget-third-party-surface.md) (`EMB`)
- [Carousel](items/specialized-controls/carousel.md) (`CAR`)
- [PWA install and offline](items/specialized-controls/pwa-install-and-offline.md) (`PWA`)
