Q. How do I use the keyboard to move the cursor from the definition field to the definition source field in SIW?

Use CTRL-Tab on Windows / Linux. (Apple-Tab on Mac?)

Q. How do I launch the JavaWebStart Application Manager for SIW?

The JavaWebStart application manager can easiliy be launched by visiting this url:

http://java.sun.com/products/javawebstart/apps/player.jnlp

From there, you can configure your JavaWebStart preferences, including whether or not to show the Java Console. You can also erase your temporary Java internet files.

Q. Do Data Element Concepts get reused accross contexts?

Yes, DECs and CDEs get reused accross contexts. If they are used in a different context, they receive a 'USED_BY' alternate name.