This document discusses XSLT elements. XSLT is a language for transforming XML documents into other formats like HTML, text, or XML. The document then lists and describes over 30 different XSLT elements including <xsl:apply-templates>, <xsl:copy>, <xsl:attribute>, <xsl:choose>, <xsl:element>, <xsl:for-each>, <xsl:if>, <xsl:import>, <xsl:template>, and <xsl:value-of>. It notes there is still more to learn about XSLT elements.