what is the number 5 stand for

The number five is a numerical sequence which follows four and precedes six. Other than that, you need to clarify the question.

Since this is not my area of expertise, I searched Google under the key words "five meaning" to get these possible sources:

http://www.vic.australis.com.au/hazz/number005.html
http://en.wikipedia.org/wiki/V
http://www.aeclectic.net/tarot/basics/fives.shtml
http://www.biblemeanings.info/Words/Number/Five.htm

I hope this helps a little more. Thanks for asking.