Case Studies/PICOL – Pictorial Communication Language
PICOL stands for Pictorial Communication Language and is a project to find a standard and reduced sign system for electronic communication. — Melih Bilgil, PICOL, http://www.picol.org/about.php
PICOL stands for Pictorial Communication Language and is a project to find a standard and reduced sign system for electronic communication.
News on PICOL can be found on the PICOL Blog 
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The aim of PICOL is to find a common pictorial language for electronic communication. The icons are simple, clear and black/white, so that they don´t collide with your own design.
The icons are available as SVG (vector) and PNG (16x16 Pixel & 32x32 Pixel). You can download all available icons here