Document are composed of elements
An element is delimited by a start tag and a matching end tag:
<COMPOSER>Jacques Morali</COMPOSER>
Start tag <COMPOSER>
Contents "Jacques Morali"
End tag </COMPOSER>
Elements can contain other elements:
<SONG>
<TITLE>Hot Cop</TITLE>
<COMPOSER>Jacques Morali</COMPOSER>
<COMPOSER>Henri Belolo</COMPOSER>
<COMPOSER>Victor Willis</COMPOSER>
<PRODUCER>Jacques Morali</PRODUCER>
<PUBLISHER>PolyGram Records</PUBLISHER>
<LENGTH>6:20</LENGTH>
<YEAR>1978</YEAR>
<ARTIST>Village People</ARTIST>
</SONG>