ところだった => About to… N3
Will, Decision, Doing
っこない => A is definitely not possible N2
Potential, Possibility
ことなく => Without doing A once (expressed strongly) N2
Will, Decision, “Doing”
ことになっている => Plan, rule, decide N2
Information, Report
[全「まった」]く~ない => Not A (at all; even a little bit) N3
Not only, Not even
といったところだ => Display an amount/level/degree A (程度) N1
Degree/ Level/Amount
に[限「かぎ」]った[事「こと」]ではない => It's not limited to A, it's not only A N1
Degree/ Level/Amount
ところを/ところに/ところへ => At time/situation A N2
Information, Report
としたところで、としたって => Even from the perspective of A; Even in the case of A N1
Considering/ Concerning
ところ => Have done N4
Situations and Experiences
こと => Do A (command) N2
Will, Decision, “Doing”
ておく => Do something N4
Secondary Verb