ODF has many similarities to HTML. HTML has <div>, <h1>, <p>, <span>. ODF has <text:section>, <text:h text:outline-level="1"/>,<text:p>, <text:span>. Images ar

ODF has many similarities to HTML. HTML has <div>, <h1>, <p>, <span>. ODF has <text:section>, <text:h text:outline-level="1"/>,<text:p>, <text:span>. Images are also PNG, JPEG and SVG. Formulas are MathML. Styling uses the same properties as CSS, but the are written in XML instead of using the CSS syntax. The ODF Essentials book is good introduction to the format. http://books.evc-cit.info/odbook/book.html http://books.evc-cit.info/odbook/book.html