How to Retrieve Data from iCloud Backup

Part 1. What does iCloud back up?
Explain it shortly. (about 200 words)
Part 2. How to recover data from iCloud (text messages/iMessages/video/documents/etc.)
1) Introduce iSkysoft iPhone Data Recovery for Mac and write a short description of primary fuctions about it.(about 100 words)
2) How to use the software to recover data from iCloud step by step with screenshots (you can learn it from here: http://www.iskysoft.com/iphone-data-recovery-mac/user-guide.html).(about 500 words)

Part 3. Does iCloud backup your contacts?
Explain it shortly. (about 100 words)
Part 4. How to backup contacts to iCloud
Write a how-to guide with screenshots. (about 300 words)
Part 5. How to restore/retrieve contacts from iCloud backup
Write a how-to guide with screenshots (directly export contacts from www.icloud.com). (about 300 words)

There are about 1500 words in total. If you were interested, please send me your fixed price for it, no duplicated content accepted. Thanks.