This dialog box is displayed if you click Tools, then Domains Administration.

XML file containing the domain definitions (if other than the default).
You can click Select to search for a file.
Displays the available domains (types).
Select a domain to view or edit its properties. (Some properties are relevant only to specific domains.)
Name of the selected domain (if one is selected).
Logical type of the selected domain.
Maximum size of the data for this type.
For a numeric domain, the maximum number of significant decimal digits.
For a numeric domain, the number of digits from the decimal point to the least significant digit.
Synonym for the domain.
Comment about the domain.
Lets you view and edit constraints
(general and specific to physical models) for the domain.
Lets you specify one or more data value ranges for the domain.
Lets you specify data values for the domain.