noun / verb
screen
SKREEN/skriːn/
A surface for displaying images or information, or their presentation on it.
The screen displays a mountain-and-lake image.

Etymology
Probably from a word for a fire-screen, screen first named a protective barrier. It later named a surface receiving projected images, then the displays of televisions and computers.
In context
it's the images that are being displayed on the screen and lots of images. We load in some JavaScript