New Defender's Study Bible Notes
81:5 language that I understood not. This probably does not refer specifically to the Egyptian language as such, but rather to its use in their idolatrous religious ceremonies.
81:16 honey out of the rock. Honey deposited in the rocks, the most barren aspect of the wilderness, was a metaphor for the abundance God would have provided for His people, if they had obeyed Him (Deuteronomy 32:13).