== Feature Layers ==
Internal Features can be displayed on the Map.

These features can be Points, Lines or Polygons.

Features can be added to the Map, removed from the map or moved on the map interactively.

== Feature Classes ==
A Features Layer displays all features from the selected Feature Class.

A Feature Class can be an in-built category (e.g. 'Shelters' or 'Organisations') or can be a custom query.

(These same Feature Classes can also be used to publish data as GeoRSS or KML or download as GPX or KML.)

== Markers ==
The Marker used for the Features will be:
* The Feature marker (if defined)
* The Feature Class marker (if defined)
* The Default marker

We should provide an option to allow the Feature-Class icon to over-ride individual Feature Icons.

----
[[wiki:BluePrintGeographicInformationSystems GIS BluePrints]]