The document describes the process taken to design Chinese characters representing the Finnish word "vihta", or birch whisk. The designers first considered objects from Finland with rich backgrounds and descriptive elements, settling on birch whisk. They listed words related to birch whisk and sketched draft characters using bone script symbols. The final characters were generated by combining basic symbolic elements in an understandable way, with the noun character derived from the verb. The characters evolved over time from the original bone script forms.