• 衣類いるい — clothes / garments
• 衣装いしょう — costume / outfit
• 衣食住いしょくじゅう — clothing / food / shelter
• 着衣ちゃくい — putting on clothes
• 更衣こうい — change of clothes
• 白衣はくい — white coat / lab coat

This character is pictographic in origin, representing the collar and sleeves of traditional clothing. Over time, it became a general symbol for garments and is also used metaphorically in Buddhist and ceremonial terms.

衣類いるいを 整理せいりしました。
I organized my clothes.

衣食住いしょくじゅうは 生活せいかつの基本きほんです。
Clothing, food, and shelter are the basics of life.

舞台ぶたいで 美うつくしい衣装いしょうを着きました。
I wore a beautiful costume on stage.