These comments will appear on all quotes given to any customer who has been assigned this quote comment. These should be very general comments, like: 50% DOWN WITH ORDER.
From the Main Menu, select Admin -> Setup Receivables -> Quote Comments. Your screen should look similar to this:
To edit a quote comment, select it from the drop-down menu and click Edit.
To add a quote comment, click Add.
Whether Editing or Adding, your screen should look similar to the following:
Quote Comment: Add or edit the description of the Quote Comment.
Click the Save button to save changes.
(If Editing) Click the Delete button to delete the Quote Comment.
Click the Back button to return to the previous screen without saving the changes.
Edit.
Add.
Save button to save changes. 
Delete button to delete the Quote Comment.
Back button to return to the previous screen without saving the changes.