A screenshot is also referred to as screen capture, screen grab, it is a digital image that shows the contents of a computer display. Below are the methods to create a screenshot on a mac device.
Method 1: Press Command button + Shift + 3 to screenshot the entire screen
Method 2: Press Command button + Shift + 4 and click and drag over the area you want to grab
Method 3: Press Command button + Shift + 4 then Spacebar and select the window to screenshot