The term 'memory type' in ARMv$7$ processors

a$)$ refers to the three memory technologies $($ROM$,$ SRAM, or DRAM$)$ available in Arm processors and

to their respective access rules.

b$)$ refers to the most significant memory attribute specified for each memory region $($Normal$,$ Device

or Strongly ordered$)$ and to their respective access rules.

c$)$ refers to the set of memory attributes $($shareability$,$ cacheability etc.$)$ defined for each memory

region

d$)$ refers to the various memory regions defined in the memory map of the architecture.