One mountain represents Jehovah’s universal and eternal rulership. The other mountain represents the Messianic Kingdom in the hands of Jesus.
وَٱلْجَبَلَانِ ٱللَّذَانِ رَآهُمَا زَكَرِيَّا يُشْبِهَانِ ٱلْجَبَلَيْنِ فِي ٱلْإِصْحَاحِ ٱلثَّانِي مِنْ سِفْرِ دَانِيَالَ .‏