Properties Tab
On this tab you can edit:
Topic Name - only names that do not conflict with already used names in the knowledge base will be allowed
Hyperlink - a hyperlink to an external document, url, etc. Double-clicking this field will test the hyperlink.
Description (hint) - this is the question that is asked for the data link.
Changes made on this tab are not committed until you press the accept button
Arguments Tab
On this tab you can edit the arguments for the data link.

delete the selected argument(s) - this button is enabled only when the selected argument is not in use at any place in the knowledge base.

move the selected argument up in the list

move the selected argument down in the list

open the documentation for the selected argument

jump to the hyperlink for the selected argument

edit the selected argument

create a new fuzzy argument

create a new crisp argument

create new arguments based on the data link's choices
Choices Tab
Choices are used in the user interface to make data input easier. When choices exist they will generally be presented in a drop down menu.

delete the selected choice(s)

move the selected choice up in the list

move the selected choice down in the list
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create new choice

create choices from the data link's arguments

create choices from a numeric range

create true and false choices

create yes and no choices