Halloween-themed refers to decorations, costumes, and activities that celebrate the holiday of Halloween, which occurs on October 31st. This theme often includes symbols like jack-o'-lanterns, ghosts, witches, and spiders. People decorate their homes with these items and often use colors like orange and black to create a spooky atmosphere. During Halloween, many people participate in activities such as trick-or-treating, where children dress in costumes and collect candy from neighbors. Halloween parties may feature themed games, spooky movies, and festive treats. Overall, Halloween-themed celebrations focus on fun, creativity, and a touch of fright.