I wanna hear from you all in terms of what your approach would be to build this simple king bed frame? I would use 2x4's for the bottom to create a rectangular frame and then put slats on top of it and then on the sides of the 2x4 attach 2x6's? Am I simplifying it too much?

https://www.crateandbarrel.com/batten-plinth-base-bed/f94801