Here you have all the actions of the App.
These icons represent the actions of the menu bar.
From left to right......
Print -> Print to connected printer or to a PDF file
Undo -> undo the last action
Redo -> do the same action action
Cut -> Cuts to selected text to the clipboard
Select All -> select all the text in the document
Bold -> change the text to bold
Strike -> change the text to have a strike through the text
Change the text color
change the font and size
align the text to the left margin
* New -> creates a new document
* Open -> open a document
* Save -> save document as a plain text file
* Save As -> save document as a markdown file
* Export As -> saves document as a HTML, Rich Text, or PDF
* Print -> prints the document to a connected print or to a file as a PDF
* Exit -> exits the application.