💠hình thoi có dấu chấmA diamond with a dot — the "kawaii" symbol in Japan, used as decoration and cuteness.
💋dấu nụ hônA kiss mark, like lipstick on a letter. Conveys a kiss, affection and gratitude — often paired with a heart.
👌bàn tay làm dấu OKAn OK hand. Conveys "okay", approval — but in some cultures it can be an offensive gesture, so context matters.