url

need to know what you mean by url. have posted two but keep getting and error message.

Uniform Resource Locator
In its current strict technical meaning, a URL is a URI that, ?in addition to identifying a resource, [provides] a means of locating the resource by describing its primary access mechanism (e.g., its network ?location?).?
Source:
Wikipedia, click here!

if you need it for your background on your page,
it is when you right click the picture you want and then click on properties,and open completely that and copy and paste that whole code, by location.
hope it helps.I had a hard time undertanding it when I first came on