[後「あと」]で => After V1, V2 N5
Time
〜がさいご(が最後) => if you do... negative result N1
Decisive (resolute decision)
... を ... という => called; named; that ~ N4
Speaking
じつをいうと => Frankly speaking N2
Story topic
たが[最後「さいご」] => Once A occurs, B happens N1
Information, Report
を…という => to be called, said, named N3
Command, definition
~をたて(~を経て)      => through; after; via N1
を => Auxiliary words N5
~のを => Nominalize verbs N5
Nominalization
を通じて/を通して => through; via; throughout; by ~ N2
をもって => with... N1
Means and methods
を~として => as N2