Playing Daily Improves Our Chess Level Or Need To Do Learn Something??

Hi, I am An Intermediate Player just playing and analysing my chess games using lichess analysis tool is only useful to improve my chess level?? Or I need to learn something as opening , tactics and middlegames etc.....?

Playing (slower controls) and (thoroughly) analyzing is certainly very helpful - if done right. And if done right you will automatically want/have to check how stronger players play the kind of opening/middlegame/endgame you‘re dealing with.