ceremonial hand clapping (tejime) of 3 claps, 3 claps, 3 claps, 1 clap, with a short pause between clapping / one clap at the end a cheer

bell / doorbell

persuasion

even, flat, level / flatten, level / uniform / calm, gentle, peaceful / (mathematics) square, square root / common, ordinary, usual / Short for 平氏 (Heishi) or 平家 (Heike): Taira clan