_ is a term used to refer to an attribute of an object that allowspeople to know how to use it.VisibilityAffordance (page 105)ConstraintNone of these

__is a document commonly written in Hyper Text Markup Language (HTML) that is accessible through the Internet or other network using an internet browser.a.Wordb.Windowsc.Web paged.Web Site

is a term used to refer to an attribute of an object that allowspeople to know how to use it.

What are the variables prefixed with two underscores (_ _)(_ _) in classes called?

___ are used for identifying different programming entities uniquely within the program.*1 pointKeywordsReserved wordsVariablesIdentifiers

The ___ tag used to define some content aside from the content it is placed in. (Answer format: <tag>)