 Railton calls a reference-fixing description a “job description”. He is interested in normative concepts like right and what there is most reason to do, and describes in general terms what a job description might include. Railton says that there may not be much to say about “the concept of a reason full stop”. Perhaps all we can say in that regard is that a reason is a consideration that counts in favor of something: an action, a desire, an emotion, a belief, etc. But Railton thinks that the concept most reason to do has 