Welcome to Simplenote Mac!
To add a note, click the new note button with the plus symbol.
To remove a note, click the trash button.
You can search all your notes by typing in the search field above the note list.
Click the tags button at the top-left to open the sidebar. You can add tags to a note at the bottom of the note editor, and then use the sidebar to help you stay organized.
There are more note options if you need them. You can add email addresses as tags to collaborate with people, or publish a note as a web page.
Use Simplenote on your iPhone, iPad, Android device, or in your web browser at https://simplenote.com. Your notes will stay updated everywhere automatically.