Full Idea
We think in file names, and file names are Janus-faced: one face turned towards thinking and the other face turned towards what is thought about. I do think that is rather satisfactory.
Gist of Idea
Concepts have two sides; they are files that face thought, and also face subject-matter
Source
Jerry A. Fodor (LOT 2 [2008], Ch.3 App)
Book Reference
Fodor,Jerry A.: 'LOT 2: the Language of Thought Revisited' [OUP 2008], p.100
A Reaction
So do I. I do hope the philosophical community take up this idea (which they probably won't, simply because Fodor is in the late stages of his career!).