Full Idea
The logos (the definition) is a summary statement of the path within a network of objects that one will have to follow in order to locate a particular member of that network.
Gist of Idea
The logos enables us to track one particular among a network of objects
Source
Alexander Nehamas (Episteme and Logos in later Plato [1984], p.234)
Book Reference
Nehamas,Alexander: 'Virtues of Authenticity' [Princeton 1999], p.234
A Reaction
I like this because it confirms that Plato (as well as Aristotle) was interested in the particulars rather than in the kinds (which I take to be general truths about particulars).
Related Idea
Idea 17951 A logos may be short, but it contains reference to the whole domain of the object [Nehamas]