Lower limit of stage. Set by hardware adapter

All devices should be given a name, but it does not have to be unique

Notifications to the GUI on how it should behave. This is very important for those devices that are virtual, (especially scripts.)

Some device properties are not saved from one session to the next This gives a list of those properties that the user defined as needing to be saved

Step size of a single step. This value needs to be assigned in some way.

List of all the named stops on this stage and their location

Upper limit of stage. This information is not provided by the stage automatically, so must be set by the software.