A bezel is a ring or rim that surrounds and holds something in place, such as a watch or a computer screen. It is mainly used to protect the display or to hold it securely. Full definition
The renders show a phone with thin bezels on the top and bottom of the screen. (indianexpress.com)
The front is dominated by the 5 - inch display with thin bezels around the sides, along with a capacitive button layout below the screen. (androidauthority.com)
There's still a fair amount of bezel around the display too, and the front - facing speakers mean the phone is potentially taller than it needs to be. (pocket-lint.com)