Thank you very much.Just to add to my curiousity/learnings,private keys are derived from public keys right?Are these private keys also derived from xpubkeys?
Discussion
I highly recommend this book to help you on your journey. It’s available free online. 
I just simply want to know if i own Bitcoin...why does everyone have to dock my question regarding ownership...And of course i want to learn...but not everyone has the luxury of having money or owning a gadgetry to take all your advice...Can you read a 500-600 pg Book using only mobile?If you can Congrats...its an extraordinary ability...i used to once..
Now that i am diabetic my eyes can't handle these small fonts and zooming-in and out makes them watery...