
The big idea is, that I can change the text/language (i18n) in a worklfow, without editing the flow itself.
Is there a possibility to create a global variable, that will appear in the "Global Constant" or "System":
2 answers
I would look at using Custom Settings to accomplish this. Here is a link to get you started: http://na9.salesforce.com/help/doc/en/cs_about.htm