TPC

TPC is used to identify a placeholder file for an inter-Topicscape topic link after exporting a 3D concept map or 3D Mind Map from 3D Topicscape to Windows folders and files.
It is used to provide the capability for a round-trip (export a Topicscape, change files and folders as desired and re-import it). 
It is a text file that can be opened with notepad, but any change to its contents or name risks incorrect re-import.
See also: 3DT, ATY, FES
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Mind Map is a registered trade mark of the Buzan Organization. Topicscape is a trade mark of 3D-Scape Limited ( http://www.topicscape.com/ )