crash(The failure of either a program or a disk drive. A program crash results in the loss of all unsaved data and can leave the operating system unstable enough to require restarting the computer. A disk drive crash, sometimes called a disk crash, leaves the drive inoperable and can cause loss of data); lockout(A configuration setting on a person resource in the ILM database that restricts that person from authenticating to ILM or performing a password reset)
button grid(A rectangular group of buttons with similar functions on a point-of-sale screen); lock(To prevent users from joining a conference, whether or not they have an invitation)
Block(A permission setting that prevents a person or domain from adding the user to contact lists, seeing the user's status, or sending instant messages to the user)