ISO/IEC TR 11581-1:2011 introduces the ISO/IEC 11581 series and provides developers and other icon standards users with an overview of currently available and future anticipated icon standards.

ISO/IEC TR 11581-1:2011:

* describes the structure of parts that will be used to encompass all present and future icon standards,

* introduces currently existing icon standards, whether they are parts of ISO/IEC 11581 or they have their own separate numbers