CFA OFBS Hebrews 6 Baptisms Why Tongues

Elementary Things that are basic to Christian growth may be complicated by a conflict in religious traditions. Things that keep us in Kindergarten and not allowing the advancement in the believer to become mature Sons. What would that impediment be? Could it be a lack of understanding something as simple as tongues? ACTS 2: 4 introduces the phenomenon, but to what degree are we to understand why?