arrow	Create a new arrow widget
attrib	Define an attribute of a new renderer.
button	Create a new button widget
c-code	Embed C code directly into an Entity application.
calendar	Create a new calendar widget
checkbox	Create a true/false toggle button
csink	null
csink-ssl	null
ctree	Create a columned tree widget
ctree-cell	Create a column within a row.
ctree-column	Create columns for a clist
ctree-row	Create a row within a clist. Use the 'ctree-cell' tag for individual entries.
dropdown	Create a dropdown menu. Use the 'string' element to fill it with items.
dynaload-element	Used internally to keep track of elements that should be dynamically loaded.
dynaload-library	Used internally to keep track of which libraries contain which elements.
entry	Create a single line text entry.
filesel	Creates a new file selection dialog (this renderer needs replacement!).
fixed	A container widget for positioning children at absolute x/y coordinates.
frame	Create a pretty frame to group a set of child widgets.
graph	Create a new graph widget
graph-line	Create a new line on the graph.
graph-point	Create a new point on a graph
halign	Horizontal alignment container
hpane	Create a new horizontal pane.
hseparator	Create a horizontal seperation widget.
hslider	Create a new horizontal sliding value adjuster
hwrapalign	Creates a new horizontal alignment, that allows for children to wrap if they are constrained for space
image	Display an image from a file.
include	Load an XML file and render the nodes under this include node.
io	Buffered event driven IO. Set up a file descriptor, and use this to do input or output on it.
javascript	Embed JavaScript in your application.
label	Create a simple label widget.
list	Create a new list widget.
list-item	Create an item for in a list.
menu	Create a menu. This should then be populated with menu-items, or more 'menu's.
menubar	Create your typical menu bar widget.
menuitem	Create a single menu item.
norender	Any children of this tag are not be displayed, rendered etc.
notebook	Create a new notebook widget.
notepage	Create a new page in a notebook.
object	Create a new object.
optionmenu	Create a new menu with submenus for options.
perl	Include embedded Perl in your Entity application.
popupmenu	Create a new popup menu for use in context.
progress	Create a new progress widget to display activity of a process.
python	null
radio	Create a new radio button
radio-group	Create a new group to hold other radio buttons.
raw-io	Event driven IO watcher. Feed it a file descriptor, and it'll call you when data arrives, or is ready to be sent.
renderer	Define a new element in any supported langauge.
require	Specify a file that must be loaded. If the file is already loaded, it will not be loaded again.
scrollwindow	Create a new scrollable window.
sdl-sprite	null
sdl-window	null
spinner	Create a fancy widget for selecting an integer or floating point value
string	Create a new string. This is only really useful in context with other elements. It is not a widget, but is used by some.
system-args	Get arguments passed to entity on command line.
system-elements	A list of supported system elements. Each supported element will be set as an attribute of this node, with a value of true.
system-info	Get various bits of system information.
system-time	Get system time information.
tcl	null
text	A full sized, optionally editable text widget.
timer	Create a new timer that will call a function every 'interval' milliseconds.
togglebutton	Create a new toggle button widget.
tree	Creates a tree widget, and is also used for individual nodes in the tree.
valign	Vertical alignment container
vpane	Create a new vertical pane.
vseparator	Create a vertical seperation widget.
vslider	Create a new vertical sliding value adjuster
vwrapalign	Creates a new vertical alignment, that allows for children to wrap if they are constrained for space
window	Create a new top-level window.