olemus
UML:
tegelike objektinäidete ja nendevaheliste seoste skeem, mis
esitab klasside asemel isendeid
= a UML structural diagram that shows the instances of the classifiers in models

ülevaateid
https://en.wikipedia.org/wiki/Object_diagram

https://www.tutorialspoint.com/uml/pdf/uml_object_diagram.pdf

https://www.visual-paradigm.com/guide/uml-unified-modeling-language/what-is-object-diagram/

näiteid
http://images.slideplayer.com/25/8138605/slides/slide_16.jpg

https://image.slidesharecdn.com/umldiagram-140830130243-phpapp02/95/uml-diagram-software-engineering-discussion-12-638.jpg