The problems you are trying are too advanced for you. I can't explain the answer to the picture you posted because it takes a number of steps and there's no numbers/letters on the grid. That's actually a pretty difficult problem. Here I made an easy one - black to live.
Hey Yas Forums why haven't you learned to play Go yet?
Colton Flores
Oliver Cruz
s18?
Josiah Long
Try this move, does it make ssense when you see it?
Nathaniel Bennett
That looks intuitive and strong, but white can still jump in. bT19 wS19 and black must win two steps of ko to live. You need instead to make eye shape.