This is the 1084th most frequent Catalan word.
bandera
Flag.
Here, 'bandera' is used in the sense of a flag, representing a national or regional symbol.
La bandera de Catalunya és molt emblemàtica.
The flag of Catalonia is very emblematic.
In this sentence, 'bandera' refers to a flag used for signaling, specifically a red one indicating danger.
El vaixell portava una bandera vermella com a senyal de perill.
The ship carried a red flag as a warning sign.
Here, 'bandera' signifies a banner or sporting flag used to represent or support a team.