Individual will need accountability and compatability to help relationship become partnership
Wall will need section and blocking to help door become barrier

A partnership is both a accountability and a compatability.
A barrier is both a section and a blocking.

q1e will need q1o and q1s to help q1r become q1n
q1e will need q1o and q1s to help q1r become q1n

A q1n is both a q1o and a q1s.
A q1n is both a q1o and a q1s.