How different architects work together to define software system architecture?

The involvement of various architects in the system architecture definition process is given in the responsibility assignment matrix (RAM) in the table 1. All the architects work together to define the software system architect.
Table 1. RAM for architects.

Architect
IV
FV
CV
Dev.V
DV
OV

SA
C
C
C
AC
C
C

AA
I
A
I
I
I
I

DA
A
I
I
P
P
P

IA
I
I
I
P
P
P

INA
I
I
A
P
I
I

SECA
P
P
A
P
P
P

PA
NA
NA
NA
I
I
I

NA
P
P
P
P
A
A

SEA
P
P
P
P
A
A

WRA
P
P
P
P
A
A

Table 2

Code
Description
Comments

A
Accountable
Responsible for success/failure of this activity

P
Participant
Actively participates in the activity

NA
Not applicable
This [...]