There is a long list of supported output fields and the list is continuously being extended. This the list available for the single article layout, the list varies slightly by layout type.
At present there is only one page structure element available - that is a Row.
This allows you to add sub-rows to your columns
These are the main content fields
This is the title of the article
The main text of the article
Any custom fields available in the article
The introductory text (before the "Read More" in the WYSIWYG editor).
Any Tags specified for the article
The option to load a set of Joomla modules based on module position within the article layout.
The option to load a specific Joomla module within the article layout.
Any voting options specified for the article
This is the page heading specified in the menu item for the page on which the article or articles is displayed
The table of contents links if these are relevant to the article being viewed.
Article navigation links which offer links to second and subsequent pages for multi-page articles.
The block of links specified on the 'Images and Links' tab of the article edit page.
The full article image specified on the 'Images and Links' tab of the article edit page.
The introductory article image specified on the 'Images and Links' tab of the article edit page.
Information about the article's category with various display output options.
The image associated with the article category with various display output options.
A choice of dates associated with the article e.g. creation date or publication date.
Information about the author of the article with various display options
An counter showing how many times an article has been viewed (and hopefully read).
An icon that only appears on the print preview page allowing you to send an article to a printer.
A standalone icon that appears to users authorised to edit an article.
The group of icons that appears under the cog/wheel in the default Joomla output for an article - typically 'Email item', 'print item' and 'edit item',
A standalone icon with a link to the print preview popup window
A standalone icon with a link to allow the article to be emailed
A block of information about the article
These are fields provided by EasyLayouts in addiotion to the normal output of Joomla.
If you use the EasyLayouts related article custom field then this output field generates a list of articles linked to the article being viewed and can therefore represent a list of related articles.
These fields are typically only visible to article editors and above and appear to explain why an article is not visible to the public.
A warning that an article is not published/enabled.
A warning that an article isn't yet visible due to the start publishing date being in the future.
A warning that an article isn't visible due to the stop/end publishing date has passed.
These are fields generated by content plugins and will only be of interest to advanced users with a specific need.