A clear and audible sound of a knock echoes, suggestive of someone at the door. The quality of the noise implies a sense of audacity from the one knocking, a bold and unapologetic action that demands attention. The knocking sound resonates with a wooden character, hinting that it is produced from a wooden surface. The rhythm of the knocking suggests it's upon a door, a common scenario in everyday life. The knocking persistently repeats, painting a picture of a person waiting to be let in.