... 前に => Before ... N4
Relationship before and after
的 => about (change noun into na-adjective or adverb) N3
[時「とき」] => At the time A N5
Time
... 前に => ... in front of, before N4
Relationship before and after
前に => before; in front of ~ N5
と同時に => at the same time as; while; simultaneously ~ N2
に代わって => instead of; replacing; on behalf of ~ N3
Vた[時「とき」] => After having done something N5
Time
を前提に => On the premise of N1
Premise
手前 => considering; before; in front of; one’s standpoint N1
代わりに => instead of; as a substitute for​; in exchange for; in return for N3
~[前「まえ」]に => Before N/Vる(occurs/happens) N5
Time