全く~ない => not at all ~ N3
全然~ない => (not) at all N4
に行く/に来る/に帰る => go/arrive/go back (to do something) N5
[全「まった」]く~ない => Not A (at all; even a little bit) N3
Not only, Not even
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