Draw or write in Notes on iPhone - Apple Support

How to Draw & Sketch in the Notes App on Your iPhone or iPad

iPhone User Guide - Apple Support

Notes (Apple) - Wikipedia

Create and format notes on iPad - Apple Support

iPadOS 14 introduces new features designed specifically for iPad - Apple

Create and format notes on iPhone - Apple Support

Annotate email attachments on iPhone – Apple Support (UK)

Make Perfect Shapes in Notes, Drawings & Annotations with iOS 14's New Shape Recognition Tool « iOS & iPhone :: Gadget Hacks

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Select, cut, copy, and paste text on iPhone - Apple Support

The best notes apps for iPhone and iPad

Create a Freeform board on iPhone - Apple Support

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

Dictate text on iPhone - Apple Support

Add emoji and stickers with the iPhone keyboard - Apple Support