S and N symbols in editing

[BrianHayesMusic]

Does anybody here know what the "S" and "N" symbols are intended for when creating/editing a song?

 

[BrianHayesMusic]

I was also wondering what the "End" command was for if anybody knows.

 

[dflat]

I was also wondering what the "End" command was for if anybody knows.

Does anybody here know what the "S" and "N" symbols are intended for when creating/editing a song?

https://forums.irealpro.com/threads/GLOSSARY-iReal-b-forums&p=282.188/#post-282
I have re-edited the explanations there.