The built-in application for creating and organizing items containing various types information. Items can be in the form of a note, checklist, outline, or audio recording using different types of stationery. On a MessagePad device, Notepad is the default backdrop application. Also referred to as Notes.
Notepad is also the original name of the first Newton device, later changed to MessagePad to better reflect its communication capabilities.
My Apple Newton: Newton NotePad Unearthed