A general term for a collection of pre-prepared Vutrax items such as:- Schematic Library - circuit diagram symbols for gates, resistors, connectors etc. Object Library - symbols for non electrical items such as cabinets, windows, etc. Footprint Library - graphical representation of the pads and silk screen for PCB components. Physical Library - a p... Found on http://www.vutrax.co.uk/glossary.htm