際に/際/際は => occasion, time N2
を通じて/を通して => through; via; throughout; by ~ N2
[際「さい」]して/に([際「さい」]し)/に[際「さい」]しての => At the time of A (which starts now).. N2
Time, Situation
一通り => Basically, (get) over, done N2
Base, base
に際して => on the occasion of; at the time of ~ N2
通す => to do until the end; to continually do; through ~ N3
[通「とお」]り/[通「とお」]り => In the way A; The same as A, B; As described by A, B N2
Miscellaneous
~どおしだ(通しだ)      => do something all the time N1
を[通「とお」]じて/を[通「とお」]して => Over the course of A, during the time A, Through (as a means) A N2
Miscellaneous
通り (とおり/どおり) => in the same way as; in the way; as ~ N2