+See http://en.wikibooks.org/wiki/LaTeX/Glossary. Not all options are supported. I have never actually used this functionality.
+
+- newglossaryentry :: define a term
+- gls :: a reference to a term
+- glspl :: plural reference to a term
+- Gsl :: capitalized reference to a term
+- Glspl :: capitalized plural reference to a term
+
+You will need to incorporate running the command makeglossaries into your PDF build command. You also need use the glossaries LaTeX package.
+
+#+BEGIN_EXAMPLE
+#+LATEX_HEADER: \usepackage[toc]{glossaries}
+#+END_EXAMPLE
+
+This is not supported in anything but LaTeX export.
+
+* Index
+This is a functional link that will open a buffer of clickable index entries:
+printindex:nil
+
+* Other forms of this document
+** PDF
+You may want to build a pdf of this file. Here is an emacs-lisp block that will create and open the PDF.
+
+#+BEGIN_SRC emacs-lisp
+(org-open-file (org-latex-export-to-pdf))
+#+END_SRC
+
+#+RESULTS:
+
+** HTML
+You may want to build an html version of this file. Here is an emacs-lisp block that will create and open the html in your browser. You will see the bibliography is not perfect, but it is pretty functional.
+
+#+BEGIN_SRC emacs-lisp
+(browse-url (org-html-export-to-html))
+#+END_SRC
+
+#+RESULTS:
+: #<process open ./org-ref.html>