receivecanvas	receives all messages sent to the canvas 
canvasindex	get the ID/index of an abstraction/subpatch within it's containing patch
canvaserror	print a findable error to the console
canvasposition	get/set the position of the containing patch within it's parent
autoabstraction	specify a template for unknown objectlcasses 
classtest	check the availability of object-classes 
closebang	emits a bang when an abstraction is deleted. 
objectrename	rename an existing class
sendcanvas	send messages to a (parent) canvas
sendcanvasobject	send messages to an arbitrary object in the specified (parent) canvas.
canvasdelete	deletes itself (or a containing parent (sub)patch) 
try	create an object with a fallback to a different object class
canvasname	get/set the name of a canvas
canvasselect	(de)selects objects in a canvas \, and queries selection
findbrokenobjects	find broken objects
canvaslock	locks a canvas so it can no longer be opened 
canvasconnections	query the connections of the containing canvas 
savebangs	emits bangs when an abstraction is saved 
canvasobjectposition	get/set the position of an arbitrary object in the specified (parent) canvas.
canvasdollarzero	get \$0 of a parent)canvas
canvasargs	manipulate the abstraction's arguments on saving
canvasobjectconnections	query the connections of an arbitrary object in the specified (parent) canvas
initbang	emits a bang when an abstraction is created. 
oreceive	ordered receive
propertybang	emits a bang if the user right-clicks the properties of an abstraction