pm#Domain_object  for grouping objects of a domain
  supertype:  thing_needed_for_some_process
  subtype:  comms_object__commsobject  top concept type in the comms ontology
     subtype:  network_object__networkobject
        subtype:  TMN  telecommunication management network
        subtype:  CMIP  common management information protocol
        subtype:  SMTP  simple mail transfer protocol
        subtype:  traffic_object__trafficobject
           subtype:  telecom_and_traffic_object__telecomandtrafficobject
              subtype:  asynchronous_transfer_mode__ATM  a means of digital communications that is capable of very high speeds; suitable for transmission of images or voice or video as well as data; "ATM is used for both LAN and WAN"
              subtype:  frame_relay
              subtype:  ISDN  integrated services digital network
              subtype:  subscriber_line
                 subtype:  ADSL  asynchronous subscriber line, assymetric digital subscriber line
                 subtype:  DSL  digital subscriber line, HDSL, VDSL
     subtype:  telecom_object__telecomobject
        subtype:  telecom_and_traffic_object__telecomandtrafficobject
        subtype:  telecom_network_object__telecomnetworkobject
           subtype:  VPN  (virtual) private network
           subtype:  IBDN  integrated building distribution network
           subtype:  CTI  computer telephony integration
           subtype:  GSM  group special mobile, global system mobile, cellular, mobile phone, pcs
           subtype:  SS7  signaling system, ccs7, common channel signal
           subtype:  SONET  SDH
     subtype:  switching_object__switchingobject
        subtype:  toll_switch
        subtype:  office_switch
        subtype:  tandem_switch
        subtype:  router
        subtype:  PBX  public branch exchange
        subtype:  international_gateway  international switch
     subtype:  transmission_object
        subtype:  WDM  wave length division multiplexer
        subtype:  transmission_line__cable__line  a conductor for transmitting electrical or optical signals or electric power
           subtype:  coaxial_cable__coaxialcable__coax__coax_cable  a transmission line for high-frequency signals
              subtype:  ethernet_cable  any of several types of coaxial cable used in ethernets
           subtype:  electrical_cable  a cable that provides an electrical connection for telephone or television or power stations
           subtype:  fiber_optic_cable__fiberopticcable__fibre_optic_cable__fibreopticcable  a cable made of optical fibers that can transmit large amounts of information at the speed of light
           subtype:  power_line__powerline__power_cable__powercable  cable used to distribute electricity
           subtype:  printer_cable__printercable  a cable between a computer and a printer
        subtype:  artificial_satellite__satellite  man-made equipment that orbits around the earth or the moon
           subtype:  astronomy_satellite__astronomysatellite  a satellite equipped with a telescope to observe infra-red radiation
           subtype:  communications_satellite  an artificial satellite that relays signals back to earth; moves in a geostationary orbit
           subtype:  spacecraft__ballistic_capsule__ballisticcapsule__space_vehicle__spacevehicle  a craft capable of traveling in outer space; technically a satellite around the sun
              subtype:  lander  a space vehicle that is designed to land on the moon or another planet
              subtype:  lunar_excursion_module__lunarexcursionmodule__lunar_module__lunarmodule__LEM  a spacecraft that carries astronauts from the command module to the surface of the moon and back
              subtype:  space_capsule__spacecapsule__capsule  a spacecraft designed to transport people and support human life in outer space
              subtype:  space_shuttle__spaceshuttle  a reusable spacecraft with wings for a controlled descent through the Earth's atmosphere
           subtype:  space_station__spacestation__space_platform__spaceplatform__space_laboratory__spacelaboratory  a manned artificial satellite in a fixed orbit designed for scientific research
              subtype:  Salyut  either of two Soviet space stations launched in the 1970s
              subtype:  Skylab  United States space station; in orbit from 1973 to 1979
           subtype:  sputnik  a Russian artificial satellite; "Sputnik was the first man-made satellite to orbit the earth"
           subtype:  spy_satellite__spysatellite  a satellite with sensors to detect nuclear explosions
           subtype:  weather_satellite__weathersatellite__meteorological_satellite  a satellite that transmits frequent picture of the earth below
           subtype:  VSAT
        subtype:  microwave  a short electromagnetic wave (longer than infrared but shorter than radio waves); used for radar and microwave ovens
        subtype:  wireless_network
        subtype:  broadband_network__broadbandnetwork

No statement uses or specializes Domain_object; click here to add one.