Use Tags and Smart Folders in Notes on your iPhone and iPad - Apple Support

Use tags to quickly categorize your notes so you can easily find them later. Just add one or more tags — like #work or #shopping — anywhere in any note. You can also use tags together with existing folders to search and filter your notes across multiple folders.

iPad User Guide - Apple Support

Notes User Guide for Mac - Apple Support

Take notes on iPod touch - Apple Support (MY)

How to organize iPhone Notes with tags in iOS 15 - 9to5Mac

Organize reminders on your iPhone or iPad - Apple Support

Use and customize Control Center on iPad - Apple Support

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Organize your reminders with tags on iPhone - Apple Support (TM)

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Shoreline features lab copy 7 - How do you use smart notes on iPhone? Use Tags and Smart Folders in - Studocu