VBNS Very High-Speed Backbone Network Service
By the National Science Foundation (NSF) funded, MCI of the experimental set up high-speed backbone network (BACKBONE), mainly used to made available to the Internet (INTERNET) on the new development protocol (PROTOCOL) and technical testing .

VBX Visual Basic Custom Control
A reusable software components, each component has a property (PROPERTY) and method (METHOD) for the call. While the name can be seen mainly in the VISUAL BASIC, but many development tools and language programs are supported for VBX , and there are many manufacturers to develop a variety of VBX to sell.

VCM Value Chain Management
VCM is a set of TQM (Total Quality Management), a similar business method. TQM focuses on reliability and quality, mainly to provide customers with high quality products; while the VCM lies in improving the transparency of the information, decision-making quality and operational coordination in order to break the barriers of the organization to enhance the entire value chain reaction speed and operational flexibility, thus to reduce and manage market volatility and complexity.
In addition, VCM is based on the theory of production constraints, through material shortages, production delays and other constraints of management, so that all the links in the value chain, each member can avoid the value of the impairment. To achieve this goal, companies must also found that monitoring of the value chain impact of various constraints, and decisions made on the problem-solving and thus to act quickly.

VCPI Virtual Control Program Interface
More than 386 computers in the management of 1 MBYTE subsequent memory (MEMORY) of DOS programming interface.