間 => while; during; between ~ N4
に関わらず/に関わりなく => in spite of; regardless of ~ N2
瞬間 => At the very moment N3
Short period of time
間に => while; during~ something happened N4
に関して => about; regarding; related to ~ N3
[間「あいだ」]/[間「あいだ」]に => During A, During A (before A is finished/over) N2
Time, Situation
[関「かん」]して => About A, With relation to A N3
Considering, Concerning
に関わって => to relate to; to have to do with; relating to ~ N2
~ といっても間違いない => although I say; although one might say ~ it doesn't matter ... N1
Explain