Primary Classification:
  C. Computer Systems Organization
  C.2 COMPUTER-COMMUNICATION NETWORKS
      C.2.1 Network Architecture and Design

          Nouns: Internet

Additional Classification:
  D. Software
  D.2 SOFTWARE ENGINEERING
      D.2.2 Design Tools and Techniques
          Subjects: User interfaces

  H. Information Systems
  H.4 INFORMATION SYSTEMS APPLICATIONS
      H.4.3 Communications Applications

          Nouns: Internet
  H.5 INFORMATION INTERFACES AND PRESENTATION (I.7)

General Terms:
Design, Documentation, Human Factors, Management, Performance, Theory