Help add to cart and check out menu

Hello, Can someone help me to make add to cart and checkout menu? I do not have any idea how this puzzle thingy works, thank you!

Try to make a search in the community

@Junaidi_XIMM2 sorry for the first link

  1. There are some graphics components?
  2. There are a list or variable with products or price ?
  3. There is a cart list or variable?
  4. You tried something?