Channel Branding - YouTube Guide for Beginners

I'm not sure if my "stuff" is good - too me it's but some advice would be amazing!
These are very important key points! Will definitely focus on these first, before I make and upload videos!

Thanks for sharing, cheers!
@ unknown_user54684097890
I am grateful to thanks you for this important post because I think it will be beneficial for everyone.
Really These 3 things are very important Avatar, Banner & Thumbnails for YouTube Channel.