Overall meaning : Those who fear their Lord although they have never seen Him and obey Him when they are alone, unseen by any human eye, will receive forgiveness and a rich reward.
It makes no difference to Allah whether you, mankind, speak in private or aloud, for He knows your innermost secrets of your hearts.
How could He who has created all creation not know His own creation? How could He not know it when He is fully aware of the finest mysteries of everything and the innermost thoughts, and nothing whatsoever is hidden from Him?!
It is He who has smoothed out the earth for you and made it easy for you to live upon. Go about, then, in its tracts and regions and eat of His provisions. To Him alone will you all be returned after death and be gathered before |Him on Resurrection Day.