A guide who accompanies visitors and sightseers to museums, galleries, etc., and explains matters of archaeological, antiquarian, historic or artistic interest..
A handwritten manuscript used by a scribe to make a handwritten copy; the original copy of what gets multiply reproduced in a copy machine.
A role model.
A well known usage of a scientific theory.
Something fit to be imitated; an ideal, a model.
A pattern after which others should be made; an archetype.
A copy of a book or piece of writing.
Something typical or representative of a class; an example that typifies.