The BBC is the national broadcaster of the United Kingdom, founded in 1920, with over 22,000 staff members. It provides several broadcasting services including BBC One, BBC Two, BBC Three, and BBC Four, as well as BBC Sounds and BBC Radio. The BBC aims to educate and entertain audiences of all ages by creating a wide variety of comedies, documentaries, and other shows. It keeps audiences engaged by offering programming for all ages, providing descriptions of current shows, and broadcasting in 40 languages worldwide.