XD also represents laughter in text. It shows a laughing face with a mouth open and eyes closed tightly. XD is not a word. It's an emoticon, which is a group of letters or symbols used to represent a facial expression. The emoticon XD expresses our happy feelings more visually than ha-ha and LOL do. What does XD represent in text?
1) A word
2) A symbol
3) A facial expression
4) A laughing sound
