Here is some useful guidance from the Windows UX team on the correct way to refer to various features in the Windows 8 UI.
These approved terms & phrases are used in the latest materials on http://design.windows.com so please familiarise yourself with these definitions and use them consistently in your teaching and learning.
Metro design style
· Styles that can be applied to enable apps to have a Windows look/feel, be touch targetable, etc.
· The surface that appears along the top or bottom edges of the screen and includes app commands.
· Swipe in from the top or bottom of the screen to see the app commands.
· Developer: To access the commands for an app, swipe in from the top or bottom edge of the screen to open the app bar.
· The charms connect your app to other apps, the web, your friends, and your devices. Charms provide access to the key Windows features: Search, Share, Start, Devices, and Settings.
· Tap the Search charm to find what you’re looking for in the app you’re using, on the web, or in other apps on your PC.
· Tap the Share charm to share files and info with other apps on your PC.
· Tap the Devices charm to print and connect to other external devices like media players.
· Tap the Settings charm to change common system settings or the settings of the app you’re using.
· Do NOT use “charms bar”
· Don't use in UI text.
· The area that's the outermost part or the part farthest away from the center of something.
· Swipe in from the right edge to access Search, Share, Devices, Start, and Settings.
· Do not use “edgy”
· To quickly slide a finger a short distance
· Swipe in from the right edge to show the charms.
· Swipe in from the top or bottom edge to show the app commands.
· Swipe in from the left edge to return to an app you were just using.
· Swipe across an email in your inbox to select it.
· Swipe down on a tile to select it.
· Shortcuts to places within an app or to other content.
· You can personalize your Start screen by creating tiles that act as shortcuts to your favourite content.
· Secondary tiles let users personalize their Start screen by creating deep links to specific places within your app.
· Do not use “pinned tile”