Inclusive descriptive practice explicitly acknowledges that description is not neutral. It is an iterative, intentional, person-driven process through which we strive to make well-considered decisions about the language to use when describing not just materials but the people and organizations who created or who are represented within them.
For IDPTF members: more extensive, non-public definition located: https://cornell.box.com/s/x0zfxkkno3raiblonl1jsgpif8el7xaw