INTERACTIVE-TRACING TECHNIQUE

Downloadable electronic publications in the nature of books, textbooks, interactive-books, and interactive-textbooks featuring prekindergarten through postgraduate subjects, namely, the arts, computers, home economics, language, literature, mathematics, philosophy, physical education, religion, science, social science, social studies, technology, and vocational studies; digital media, namely, digital software applications, electronic files, downloadable art files, downloadable audio files, downloadable games, downloadable video files, and downloadable interactive-files featuring prekindergarten through postgraduate subjects, namely, the arts, computers, home economics, language, literature, mathematics, philosophy, physical education, religion, science, social science, social studies, technology, and vocational studies; interactive-multimedia software applications featuring prekindergarten through postgraduate subjects, namely, the arts, computers, home economics, language, literature, mathematics, philosophy, physical education, religion, science, social science, social studies, technology, and vocational studies