To define a [JSup Graphic library objects|graphic library object] in [JSup]:
 * Create or open the [JSup Library windows|'''library window'''] that will contain the [JSup Graphic library objects|library object].
 * '''Copy or create''' the [JSup Graphic objects|graphic object] you want to make a library one (it must be a single [JSup Binders|binder]).
 * Use '''dedicated [JSup tag|tag(s)]''' to [JSup Animations|animate] the objects, don't use tag involved in communication with remote devices; the tags used in the library object definition will be replaced in its instances.
 * '''Assign a [JSup Graphic object name|name]''' to the [JSup Binders|binder] (this will be the name by which the [JSup Graphic library objects|library object] will be [JSup using library objects|referenced]). The name can be modified later, even if the library object is [JSup using library objects|referred].
 * '''Describe the [JSup Replaceable objects|replaceable objects]''' that you want to be replaced in the [JSup using library objects|library object instances]. The [JSup Replaceable objects|replaceable objects] without a description will be hidden and not replaceable in the [JSup using library objects|instances].