What do you call a set of interpretation to text that describes how it is to be structured, laid out or formatted? 

Which term refers to the basic unit or building blocks of an HTML file? 

What do you call the tags that stands alone and do not require an end tag?  

It provides additional information to tags. 

Tags should be enclosed in what symbol?

What symbol is used to signify the end of a tag? 

Which of the following refers to a set of functional HTML tags together with their related attributes?

Which symbol separates the attribute value from its attribute name?

The one being formatted by the tags to appear on the web browser is called: 

For the browser to understand, what file extension name should be used?