computer system and diagnostic services; computer consultation services in the nature of network and system analysis for classifying and sourcing information and decoding critical relationships between data sources in order to incorporate the collection, storage, manipulation and modeling capabilities of information stored on computer systems and networks; updating of computer software and software design for others; computer network and system design for others; and technical consultation for providing information and mapping relationships and information flow between all potential system levels and components of all potential data sources encompassing data, documents, files, fields, categories, nodes, sectors, databases, structured vocabularies, crosswalks, data or modeling capabilities of the information utilizing computer systems and networks; computer services in the nature of providing an on-line communication link to a global computer network