Πρᾶξις is “concern,” and as such it means nothing other than bringing-something-to-its-end. Therein lies the fact that concern has in itself an end, specifically an end as that toward which concern as concern moves. The συμφέρον is the referring to the end of a concern; it carries with it, and is conducive to, the bringing-to-an-end of something. [Heidegger  , GA18:58]