Can any one explain c2000 f28069M launchpad's boot processes and 3 switches position in a very simple way?

I am trying to blink LED of c2000 f28069M launch pad, the documentation on boot feature is very technical and tough.Can any one explain it in a easy manner?

Thank you

[TDR]

I got the answer follow the link https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/898081/tms320f28379d-boot-mode-for-f28379d-control-card