The camera viewfinder icons

Menu – Toggles between displaying and hiding the viewfinder icons.

Flash – Indicates the current flash mode. Tap it to toggle through the flash modes.

Lens Swap – Switches between the rear-facing camera lens and the front-facing camera lens.

Settings – Displays the camera settings. See Additional settings.

Back – Closes the Settings or exits the Camera app.

Capture – Takes a picture.

Video Capture – Starts recording a video.

Gallery – Accesses your Gallery to view your saved photos and videos. Tap it to display the last photo or video you captured.