This audio file, titled "070267_Backdoor Opening and Closing.mp3", features a series of sounds that depict the opening and closing of a backdoor. The audio starts with the distinctive creak of a door hinge, indicating the backdoor being opened. This is followed by a brief pause, possibly hinting at the temporary stillness before the door is interacted with again. The audio concludes with a solid thud, suggesting the firm closing of the backdoor. The sound effects used in this audio create a vivid picture of someone moving in and out through a backdoor, perhaps to step into the backyard or to return inside.