.title standard 3 letter extensions .synonym standard 3 letter file extensions .description Describe the standard names used for all the database files. .contents .para Since a Hyperties database will consist of several types of component files, there will be a set of standard 3-letter extensions used to identify file types to the system. These extensions will identify the nature of the contents of a file, its system-specificity, and a general version number, to permit some evolution of the internal file formats without "orphaning" existing databases. For example, the initial portable storyboard files will have the extension ".st0", and a later version of the (non-portable) PS/2 display file may be ".ps3". .para TODAY: the standards are: .para st0 for the storyboard .para pn0 for the picture names .para tn0 for the target names