[1] All parts of the universe are well connected and in perfect harmony and coordination. There is no indiscipline, disorder and discordance in the universe, and nothing is disjointed and out of proportion in the creation of Allah. As for birth defects, genetic mutations and other things that we see in the world are part of this great creation, for perfection cannot be noticed except if the opposite is seen, also as a test for humans.
[2] Preventing them thereby from eavesdropping in the heavens. See 72:8-10.
[5] i.e., subservient and stable.
[7] The punishment on the Day of Judgment of which they were warned.
[8] As they were challenging their prophets, saying, "Bring upon us the punishment, if you are truthful."
[9] i.e., Inform me.