Where to begin and progress and work?

I really do not understand tech talk as much as I thought, but I love learning so it's okay! My first question is where do I even begin if I a fresh new comer to the tech world and I want to eventually have my own social media application or even one day company like a Twitter, Instagram, etc. (all just fresh ideas of where I think I want to take my knowledge, may change as I grow and learn). I am interested in the design aspect so far. I do think I should start there just to get the basics and also start building a design portfolio so in the mean time I can start at least designing websites and getting payed! Secondly, after mastering that I was thinking I could then move on to development, now this is where I get confused. Development encompasses a front end developer and that means that this is the person who uses codes to basically make the website work and run as opposed to designer who just paints the pretty picture? Am I thinking in the right direction? I may need a mentor lol! Thanks in advance.