This is the 2664th most frequent Russian word.
экран
Screen.
In this sentence, 'экран' refers to the display surface of the phone.
Экран моего телефона треснул.
The screen of my phone is cracked.
Here, 'экран' signifies the display unit of a computer device.
На экране компьютера отображается ошибка.
An error is displayed on the computer screen.
In this case, 'экран' is used to describe the large viewing surface in a movie theater.