Section in header coff and sections in symbols table. Two places.
for sections name 8 bytes.

.text	store asm compiled code. have reloc section
.data	store values and text. Len bytes and start data address for current.text asm code
.rdata	store values and text only for read, crash if write in this data. 
.drectve not have reloc section. Detective say name ansi or utf-8 format.
.bss	virtual memory heap



microsoft lib have many names for sections.
Coff flexible format !

.debug$T
.debug$S