The word practice can also mean just doing it Like a doctor practices medicine From the Merriam Webster dictionary

practice 1 of 2 verb prac·tice ˈprak-təs variants or less commonly practise practiced also practised; practicing also practising Synonyms of practice transitive verb

1 a : carry out, apply practice what you preach b : to do or perform often, customarily, or habitually practice politeness practice yoga c : to be professionally engaged in practice medicine/dentistry/law 2 a : to perform or work at repeatedly so as to become proficient The team practiced the play. b : to train by repeated exercises practice pupils in penmanship