The second part of the URL, in this case www.abcd.com, specifies a unique computer name. This name is a hierarchy of domains, descending from right to left and separated by a dot. The rightmost domain, or label, is the [[TLD]]. | The second part of the URL, in this case www.abcd.com, specifies a unique computer name. This name is a hierarchy of domains, descending from right to left and separated by a dot. The rightmost domain, or label, is the [[TLD]]. |