Data dictionary questions

[cyrilbaskir]

1. Picture:

How is the Picture in the Data dictionary used?
I have entered 999,999,999,999.99 for a field Picture.

I don't see where this used in a form or a grid.

2. Data dictionary and grid column:
Is the Data dictionary not used by a grid?

3. Modifying Data dictionary field caption:
This generates a problem on my PC (but not always)...