there are around 400 elements in DocBook
you do not have to know all of them to use DocBook
<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd"> <book lang="en"> <title>My first book written in DocBook</title> <chapter> <title>Title of the first chapter</title> <para>This is a text of paragraph.</para> <para>Yet another paragraph.</para> </chapter> <chapter> <title>Title of the second chapter</title> <para>Text of paragraph…</para> <para>Text of paragraph…</para> </chapter> </book>