plural of pic
"She sent me pics from her trip to Japan, and they looked absolutely stunning."
In plain English: Pics is just a short way of saying pictures.
"We uploaded all the pics from the trip to the shared folder."
Usage: Use "pics" only in informal contexts to refer to multiple photographs or pictures. Avoid using this abbreviation in formal writing where "photos," "images," or "pictures" is required.
Platform for Internet Content Selection: a former technology for protecting children from online adult content, etc.
"The company was fined after it failed to implement the required PICs system that would have blocked access to explicit material on its site."
Pics is an informal shortening of pictures, originating from English slang that emerged in the mid-20th century to refer specifically to photographs or digital images. It derives directly from the full noun without a separate root language other than English itself.