||A very significant difference between Arc/Info and Arcview is that the former manages coverage arc/node
topology and the latter does not. Given an Arc/Info coverage with arc and polygon topology, it is possible (for
example) to generate a polygon adjacency list that can be used to establish contiguity and other adjacency
relationships. This data is accessible to an Arcview user, given a coverage to start with, but if the shapefile version
is edited topology must be managed manually. In Arc/Info, commands such as BUILD, CLEAN, IDENTITY, and
so on automatically manage the topological relationships among a collection of edited polygons. This is not the
case with Arcview.