Dear All,

Recently I started using multiple column view definition in org-columns. 

In e.g. I have calendar 'date tree' and I can switch between 3 views:
 
 1. dosage of medications
 2. exercise in e.g how many push ups daily
 3. some other statistics like weight or number of pomodoros daily  

#+begin_src org
   `* 2024        
   :PROPERTIES:
   :COLUMNS:  %40ITEM(item) %OMEGA-3-1000(omega 3){+} %MULTIVITAMIN(multivitamin){+}
   :COLUMNS:  %40ITEM(item) %PUSHUP(pushup){+} %CRUNCH(crunch){+} %BIRDIE(birdie){+} %LYING-LEG-RAISE(lying leg raise){+} %PLANK(plank){+}
   :COLUMNS:  %40ITEM(item) %FOOD-MORNING(s-food-t){:mean} %FOOD-NIGHT(e-food-t){:mean} %DOWN(down){:mean} %POMODORO(pomodoro){+} %WEIGHT(weight){mean;%.1f}
   :END: 
   `** week 10
   `*** [2024-03-10 Sun]
   `*** [2024-03-09 Sat]
   `*** [2024-03-08 Fri]
   `*** [2024-03-07 Thu]
   `*** [2024-03-06 Wed]
   `*** [2024-03-05 Tue]
   `*** [2024-03-04 Mon]
#+end_src

For better understanding and visualization I'm attaching a video in gif.