"A" stands for Address: Where is the service?
"B" stands for Binding: How do I talk to the service?
"C" stands for Contract: What can the service do for me?
The number of DOM elements is easy to test, just type in Firebug's console:
document.getElementsByTagName('*').length
Other sources: http://getfirebug.com/console.html
A_string.Replace("'", "\"")