This is the 2079th most frequent Swedish word.
billström
"Billström" is a Swedish surname.
Here, 'Billström' is used as a surname to identify the family responsible for managing the estate.
Den gamla gården förvaltades av familjen Billström.
The old estate was managed by the Billström family.
Here, 'Billström' is used as a proper noun, possibly referring to a name, printed on the signs mentioned.
Skyltar med texten 'Billström' fanns uppsatta på gatan.
Signs with the text 'Billström' were put up on the street.
Here, 'Billström' is used as a proper noun referring to a person who performs the action of crossing the street.