If you don’t mind me saying I would like to see more video help from you then going into YouTube to see help

You can also download a free boo in the Apple Books app that you should find useful. Bear in mind that the support books and online manuals are not specific to a particular model of phone but to the iOS versions that they are running.

This is a link to the Books app book.

‎iPhone User Guide on Apple Books

This is the online manual.

iPhone User Guide - Apple Support

You may already be aware but the following video help is all from Apple Support: https://www.youtube.com/channel/UCYFQ33UIPERYx8-ZHucZbDA/videos