... 前に => Before ... N4
Relationship before and after
... 前に => ... in front of, before N4
Relationship before and after
前に => before; in front of ~ N5
を前提に => On the premise of N1
Premise
以来 => since; henceforth ~ N2
~[前「まえ」]に => Before N/Vる(occurs/happens) N5
Time
以下 => As follows, below N3
Standard
以上 (の) => Just mentioned above N1
Standard
…以外(いがい)に…ない => with the exception of; excepting ~ N4
Limit
手前 => considering; before; in front of; one’s standpoint N1
以外 => with the exception of; excepting ~ N2
以上(は) => because; since; seeing that ~ N2