Describable
class and thus has a describe method, which
describes an object with a short string. This is used by the
show method to output terse textual representations of the DOM.
describe(object, ...)object.Describable has a method for the describe
generic, and by default Describable objects are shown by
printing the output of describe. Note that Describable
is a virtual tag class, no objects may be
created from it.signature(object = "Describable"): outputs the
return value of describe.