Digital materials, namely, pre-recorded audio and video cassettes, digital video disks, digital versatile disks, downloadable audio and video recordings, DVDs, CDs and high definition digital disks featuring education and educational testing materials

Digital materials, namely, pre-recorded audio and video cassettes, digital video disks, digital versatile disks, downloadable audio and video recordings, DVDs, CDs and high definition digital disks in the fields of education and educational testing