How to get here

While you have an editable job on the Main Form, edit a NOTE item by highlighting the row in the lower half of the Main Form, then press Return, or double click on the NOTE item

OR
If you have a Booked Out completed job on the form, right click the NOTE item and select "Edit row regardless of job state" from the popup menu

Once you edit the NOTE item as per the above instructions, you will reach this screen.

When you edit a NOTE item on a job, you will be presented with a window where you can enter/modify your note.

A note item is a non-financial item (ie. has no value) that can accept text.