The document summarizes the key aspects of the e-Twinning program on its 5th anniversary. It provides definitions for each letter of the alphabet related to e-Twinning, including its aims, origins, concepts, duration, encouragement of cultural exchanges, friendship between schools, grants, hosts, innovation, joy, kits, quality labels, modules, news, ordinary announcements, participation benefits, resources, subjects covered, opportunities for teacher blogging, ways projects can be useful, opportunities for virtual tours, use of the wordle program, and focus on youth.