RAMx	Specify the ZI and RW areas, typically located in RAM space.
IRAMx	Specify the ZI and RW areas, typically configured through the startup-code.
default	The check box, in front of each entry, enables the area globally for the application. Individual modules may be assigned in the Properties dialog to specific areas.
off-chip/on-chip	Specifies whether this is an internal or external ROM or RAM.
Start	Specifies the starting address of the area in HEX format.
Size	Specifies how large the area is. Also in HEX format.
NoInit	Specifies areas that should be excluded from zero initialization.

求大佬解释一下，虽然有英文，但是理解的不是很明白