**Links to**: [[Agent]], [[Model]], [[Abstraction]], [[Self]], [[Subject]], [[Behavior]], [[Freedom]], [[Volition]], [[Decision]], [[Free will]], [[Orientation]], [[D Bias, Falling into Place]]. Please see notes in [[Agent]] for an account of agency. We consider _agency_ a problematic proposal, which most of the time is interchangeable or comes in to play the role of [[Free will]], but pretends not to. In the simplest of ways, this project would like to describe agency as: what we use when we assign attentional priority to an observation which seeks to establish causal explanations/links between two systems. The system we focus our attention on is the one with “agency.” In this way: one ball pushes another, the one pushing has agency. The human exerting an effect on their environment has agency. Etc. But, obviously: telling these systems apart is complex, and things are not necessarily causal or linear: all these proposals are hypotheses about how things are coupled and influence each other. More on coupling and system-distinction in: [[Markov blanket]].