How to use Note tool in Photoshop
Note tool can be used to save text notes in the images but these notes you can read or edit only when you save the file as PSD. In this note, you can type anything relevant to your document or image. It works just like a comment so it will be easy for you to understand the file structure in future whenever you open this PSD file. When you click on the document or image with this tool, now in options you can see Author name you can type and note color you can change and one Notes panel will appear. So just type anything relevant to your work and then you can save this file as PSD. If you want to delete the note just right click on the note and click delete note.