DirectX SDK

L

latency
A delay in response. For example, in Microsoft® DirectSound®, it is the interval between the time that a sound buffer plays and the time that the speakers actually reproduce the sound. In DirectPlay, it is the time that it takes for a packet to reach a given destination.
light map
A texture or group of textures that contain lighting information for a 3-D scene.
lobby-aware application
An application that, at a minimum, supports being launched from a lobby.
lobby client
Lobby management routines associated with the user's computer, including launching applications, updating the user interface, and communicating with the lobby server.
lobby provider
A client component (dynamic-link library) supplied by the developer of a lobby server. It implements communication functions with the lobby server, as requested by DirectPlay.
lobby server
Lobby management routines associated with a remote server. The lobby server coordinates all the information about the users who are connected to a specific application.
lobby session
A connection to a lobby server on which clients and the server have not been specifically written to interoperate.