If you open an MT6589 scatter file with Notepad, it will look like code. Here is what the critical sections mean:

The file is a critical map used to flash firmware onto devices running the MediaTek MT6589 chipset with eMMC storage. It tells the computer exactly where each piece of the operating system (like the boot, recovery, and system files) should be written in the phone's internal memory. What is a Scatter File? Think of it as a blueprint for your phone's storage.