active client (n)~ The client-side set of technologies in Microsoft’s Active Platform for Web-oriented cross-platform distributed computing. The chief features of the Active Client include support for HTML and dynamic HTML language-independent scripting Java applets and ActiveX objects. Active Client is operating system independent so it runs on multiple platforms including Microsoft Windows UNIX and Apple Macintosh. active cluster member (n)~ A node that is running and participating in cluster operations. active color (n)~ The color displayed in the central square of the color box that appears in most workpanes. The active color is used when you create a new object and when you add fills and patterns to a selected object.