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. This part of ISO/IEC 11581 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; recognizes that currently existing standards will eventually be replaced by new parts.