Preamble: The meaning of the term referent control.- Running away from KGP informers to neuroscience -- Action and perception in the context of physical laws -- Referent control as a specific form of parametric control of actions: Empirical demonstrations -- Physiological origin and feed-forward nature of referent control -- Different forms of referent control -- Solutions to classical problems in the control of motor actions -- Redundancy problems -- Action-perception coupling -- Afterword: Major lessons and perspectives.