Ramadan: What is the significance of each of these surahs?

Ar-Rahman
Al-Waqiya
Al-Mulk
?

Salam, and thanks :)
Update: I don't mean the translation, but why is it important? I know it's important to recite the whole Quran, but right now...what is the importance of these surahs?
Update 2: http://answers.yahoo.com/question/index;_ylt=AkjV5qMq36p.dnsw_6AwVEDsy6IX;_ylv=3?qid=20091017130537AA4TfQI
answer this too please :)
Update 3: yeah, thanks guys :)
3 answers 3