26:218-219 - explanation?

[Student]

Salaamun Alaykum,

Is there any explanation of these two short verses:26:218-219?

http://islamawakened.com/quran/26/218/

http://islamawakened.com/quran/26/219/

[wanderer]

Can you tell us what you need an explanation for?
Regards
wanderer

[Student]

Is it talking about any specific (Tahajjud?) Prayer of the Prophet pbuh and what movements/turning among the prostrating ones? Is it literal Sajda or submission that is being alluded here?