This paper reviews key constructs explored in this special issue of Chinese Journal of Applied Linguistics, including autonomy, agency and identity in foreign/second language education. We first explore and compare, in relatively greater depth, the complex meanings of the two similar concepts of autonomy and agency. In discussing autonomy, we start with an analysis of the meaning of capacity and control in Benson’s (2011) broad definition of autonomy as a capacity to take control of one’s own learning, and briefly look at related issues of learner agendas and affordances. Based on a close scrutiny of the concept of agency, we propose that autonomy and agency are best treated as distinct concepts in terms of the degree of effective control o...