لفظ الجلالة
Lafẓ Allāh
The name "Allāh". heavy after fatḥah/ḍammah, light after kasrah.
In kid words
Allāh sounds full and round after a, u. light after i.
Example to try
بِاللَّهِ. light. وَاللَّهِ. heavy.
Hear it on a real ayah
A teacher walks you through Lafẓ Allāh live, one to one.