The shutter button is a component found on digital cameras and camera phones that serves as the primary means for capturing photographs. When pressed, it activates the camera's sensor to record light and create an image.
There is also a dedicated camera shutter button on this side, which lets you launch directly into the camera application with a press, even when the device is locked. (androidauthority.com)
There's the volume rocker, power switch and a dedicated shutter button for the camera. (techradar.com)
The design is very much like a compact with a physical shutter button on the top edge. (digitaltrends.com)