This is the 5705th most frequent Catalan word.
fabio
"Fabio" is not a word in Catalan. It is likely a proper noun or name.
In this sentence, 'Fabio' is used as a proper noun, representing a person's name.
En Fabio va anar a la botiga a comprar pa.
Fabio went to the store to buy bread.
Here, 'fabio' is used metaphorically as an adjective to imply artistic eloquence.
Aquest poema és tan fabi, sembla escrit per un gran poeta.
This poem is so 'fabio', it seems like it was written by a great poet.
In this context, 'fabio' is used adjectivally to describe a structure as robust and well-formed.