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.
Top 10 unbelievable historical concurrencies. A key card is a card with a magnetic strip that is inserted into a locking device to unlock a certain door or group of doors. These cards often look much like credit cards, with the same size and shape, along with the magnetic strip along the back side.