As Salamu Alaykum wa Rahmatullahi wa barakatuhu The 4 strong sayings for the meanings of masajid are: 1. Physical buildings constructed for Ibadah 2. The entire earth 3. The limbs of sujud and what was the 4th one that was strong? JazakAllahu khairan

Ustadh AbdulAziz al-Haqqan