A public record is defined in RCW 42.56.010(3) as any writing that is prepared, owned, used, or retained by any state or local government agency, and which contains information that relates to the conduct of government, or the performance of any governmental or proprietary function.
The term “writing” is broadly defined to include not only traditional written records, but also photos, maps, videos, voicemails, webpage and social media content, emails, text messages and tweets (RCW 42.56.010(4)).