Short answer: 3 can refer to several things depending on context, most commonly as the numeral three or as part of emoticons like <3 (a heart) or :3 (a cat-like smile). Details by context
- Numeral: 3 is the number after 2 and before 4, used in counting, mathematics, and notation.
- Emojis and emoticons:
- <3 is a keyboard representation of a heart, used to express love or affection in online communication.
 
* :3 is an emoticon resembling a cute, cat-like smile, often conveying playfulness or affection.
- Pop culture references: "Less Than 3" can refer to songs, albums, or works titled with the phrase, alluding to the same <3 symbol.
If you have a specific context (text, platform, or example sentence), share it and the meaning can be pinpointed precisely.
