Destiny is Bungie's lowest rated game since Oni, in 2001. In the social media age, the ability to control messages through expensive and highly controlled marketing is still highly prized by large companies, and they don't come much bigger than Microsoft.
Princeton's WordNet(2.00 / 1 vote)Rate this definition: key(noun) metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated. key(noun) something crucial for explaining. the key to development is economic integration. key(noun) pitch of the voice.
In a broader sense the term can be used synonymously with master key to refer to any key, keycard or other device capable of opening a variety of locks. In US English usage, 'skeleton key' is also occasionally used to mean a standard lever lock key. It is sometimes misapplied to refer to any antique key.