間 => while; during; between ~ N4
瞬間 => At the very moment N3
Short period of time
間に => while; during~ something happened N4
[間「あいだ」]/[間「あいだ」]に => During A, During A (before A is finished/over) N2
Time, Situation
に行く/に来る/に帰る => go/arrive/go back (to do something) N5
~ といっても間違いない => although I say; although one might say ~ it doesn't matter ... N1
Explain
へ => Go to N, head to N , Often followed by verbs like 行く/いく, 来る/くる, 向かう/むかう… N5
Particles