lOpen system: A system that implements sufficient open specifications
 or standards for
 interfaces, services, and supporting formats to enable properly engineered application software
 l - To be ported with minimal
 changes across a wide range of systems from one or more suppliers;
 l - To interoperate with other
 applications on local and remote systems;
 l - To interact with people in a style that facilitates
 user portability.
 l
 lProfile: A set of one or more base standards and, where
 applicable, the identification
 of chosen classes, subsets, options, and parameters of those base standards that are necessary for
 accomplishing a particular function.