Generally, a static IP address is assigned by request and for a fee by an IT administrator at work, or by you at home. 1  Businesses are better suited for it than residences. 2  It's also better for dedicated services such as mail, FTP and VPN servers.  It's good for creating or hosting computer servers.
ArcMap, the central application and main component of Esriâs ArcGIS suite of geospatial processing programs, represents geographic information as a collection of layers in a map and is used primarily to view, edit, create, and analyze geospatial data.
In this case, ArcMap projects (on the fly) the features in these layers to the data frame's coordinate system. ArcMap also lets you edit features while they are projected. If you start editing and any of the layers in the database or folder that you plan to edit are in a different coordinate system from the data frame, you receive an information message.