What does IPod shuffle mean?

iPod shuffle means play at once.

iPod shuffle is an iPod digital music player designed and sold by Apple.

Apple Computer released the iPod shuffle at the Macworld Conference & Expo on January 11, 2005, with the words "Life is random" (official translation: random interpretation of life) and "Give chance a chance" (Unofficial translation: Give chance a chance) slogan. iPod shuffle is the first model to use flash memory as a storage medium. shuffle has 2GB of built-in storage space, which can store about 240 songs. Unlike other iPod models, the iPod shuffle cannot play Apple Lossless and AIFF encoded music files because the SigmaTel processor it uses does not support them. One review attributed it to the iPod model offering better sound quality