The Bluetooth feature built into most A/V receivers (or Bluetooth adapters) is to allow a portable device such as a phone or tablet to stream music to that receiver. This way you can listen to your digital music or streaming apps like Pandora or Spotify from your phone through your main speaker system.
An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.[1][2] It is embedded as part of a complete device often including hardware and mechanical parts.
Definitions for Embedded. embedded(adj) enclosed firmly in a surrounding mass. found pebbles embedded in the silt; stone containing many embedded fossils; peach and plum seeds embedded in a sweet edible pulp. embedded(adj) inserted as an integral part of a surrounding whole.