This is the 10208th most frequent Catalan word.
pequeño
"Pequeño" is not Catalan; it is Spanish. In English, it means "small" or "little."
Here, 'petit' (small) is used to describe the physical size of the book.
Aquest llibre és petit però conté molt coneixement.
This book is small but contains a lot of knowledge.
In this context, 'petita' (small) metaphorically refers to the humility or emotional proximity of a person.
Sempre has estat una persona petita al teu cor.
You have always been a small person in your heart.
'Petit' (small) describes the limited size or width of the street.