Notes
Notes are more than just text. Add a checklist and check off items as you complete them. Or add photos, videos, and content from other apps, such as a web link from Safari or a location from Maps.
Ask Siri. Say something like: “Create a new note.”
Check off tasks. Click the Checklist button 
to add an interactive checklist to a note—perfect for completing a to-do list or working through a recipe.
Tip: When you’re signed in to iCloud, your notes are kept up to date on all your devices—so you can create a to-do list on your Mac, then check off items on your iPhone while you’re on the go.
Add photos, videos, and more. Choose Window > Photo Browser to add items from your Photos library to a note. Or drag a photo, video, PDF, or other document from the desktop.
Add a table. Click the Table button 
to add a table to your note. You can even copy a table from a website or another app and paste it into your note.
Put a pin in it. To keep a note at the top of the notes list, swipe right on the note in the notes list and click 
.
Lock a note. To lock a note with a password, choose Notes > Preferences, then click Set Password. Then select the note you want to lock, and choose File > Lock This Note. You can unlock a note using Touch ID. Choose Notes > Preferences, then select Use Touch ID.
Share a note. You can invite people to view and edit your notes by sharing them. Click the Add People button 
and select a method for sending the link.
Learn more. See the Notes User Guide.