A list of SPD2010 Actions, what they do, and their different results.   There are tons, so I’ll keep adding more as I go along…

Date/Time Field

Sample Value: 8/2/2010 12:00 AM (Mountain Daylight Savings Time)

Format Options:

• As String:    8/2/2010 12:00:00 AM
• ISO Formatted:    2010-08-02T06:00:00Z (Zulu – GMT)
• Long Date:    Monday, August 02, 2010
• Long Time:    12:00:00 AM
• Short Date:    8/2/2010
• Short Time:    12:00 AM

People Picker Field

Environment Details:

• Claims Mode Web Application
• Windows Authentication
• Default Created By field
• Sample Value: Jackson Cobb (Hyperlinked Display Name)

Format Options:

• As String:        i:0#.w|warr\jcobb
• Display Name:        Jackson Cobb
• Email Address:        jcobb@warr.com
• Login Name:        i:0#.w|warr\jcobb (this is the true, underlying XML value of a Claims Mode People Picker field)
• User Id Number:    16 (This account was the 16^th to be added to the User Information List for this site collection. This is driven by an entry into the UserTable of the content database within which this site collection resides)

User Profile (Data Source)