Hi,
I was not working on Natural for a long time and now moving back to this cofort zone again.
I just want to know what the following CLS, ATT(ribute) CD(COlor Def) and DEL(delemiter) stands for on the Map setting screen.
CLS ATT CD DEL
T D BLANK
T I ?
A D _
A I )
A N ¬
M D &
M I :
O D +
O I (
That’s simply the attribute definitions, read more here
Thank you wolfgang. I was about to post telling I have found it. I was just browsing the docs I have and exactly on the same page 
Note that by using different delimiters, you can have, for example,
M I : which is the usual delimiter for a modifiable
variable
and
M I YE @ which would be a modifiable variable that is
yellow