Library /sys$common/syshlp/dce$cdsbrowser.hlb Glossary, Icons  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  Icons are symbols associated with directories, object
  entries, and soft links.

  Many object entries have unique icons based on their
  class; the class indicates the type of resource that
  the icon represents, for example, nodes.