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.

iPhone User Guide - Apple Support

A Closer Look at Apple Notes's Smart Folders – The Sweet Setup

How to use Smart Folders in Notes app on iPhone, iPad, Mac

View your passwords and related information on iPad - Apple Support

Search for email in Mail on iPad - Apple Support

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

Add and remove folders in Notes on Mac - Apple Support

Use Notes on your iPhone, iPad, and iPod touch - Apple Support (CA)

Write This Down: 17 Things You Didn't Realize Apple's Notes App Could Do

A Closer Look at Apple Notes's Smart Folders – The Sweet Setup

Write This Down: 17 Things You Didn't Realize Apple's Notes App Could Do