This is the 734th most frequent Catalan word.
formes
"Formes" in Catalan means "forms" or "shapes" in English.
Here, 'formes' is used to refer to 'shapes' or 'outlines'.
Aquestes són les formes de les lletres.
These are the shapes of the letters.
In this case, 'formes' means 'you form' or 'constitute' in the context of being part of something.
Si formes part de l'equip, has de ser responsable.
If you form part of the team, you must be responsible.
Here, 'formes' indicates 'you develop' or 'shape', referring to the creation or shaping of habits.