key success factor; key to success; KSF
duplicate key; pass key; master key; skeleton key
square bracket; Japanese-style quotation marks
cryptographic key; encryption key
lock-opening; lock-picking
key rack; (wall-mounted) key holder; key hook
key success factor; key to success; KSF
key success factor; key to success; KSF
section of road that is curved on purpose as a defensive measure
private account (esp. on Twitter); account on a social networking service that can only be viewed by approved followers
private key (cryptography); secret key
symmetric key cryptography
symmetric key cryptography