What does <![CDATA[]]> in XML mean?

Question

I often find this strange CDATA tag in XML files:

I have observed that this CD

Answer 1

CDATA stands for Character Data. You can use this to escape some characters which otherwise will be treated as regular XML. The data inside this will not be parsed. For example, if you want to pass a URL that contains & in it, you can use CDATA to do it. Otherwise, you will get an error as it will be parsed as regular XML.