These cards from the OERabic Project, are a free set of printable and digital visual signs designed to help teachers, learners, and any remote participants, to communicate easily and visually during online teaching sessions and virtual meetings.  The Creative Commons licensed cards are available in both English and Arabic, in pdf and png format for printing and using online.  You can access the cards under CC BY-NC-SA licence from the OERabic website here: http://oerabic.llc.ed.ac.uk/?p=2756