1. Bullying is characterized by OLWEUS as the following three circumstances:
a) The behavior is aggressive or malicious.
b) It is repeated and goes on over time.
c) It occurs in a relationship where there is an imbalance of strength or power.
2. Cyber bullying is bullying through email, instant messaging (IMing), chat room exchanges, Web site posts, or digital messages or images send to a cellular phone or personal digital assistant (PDA) (Kowalski et al. 2008). Cyber bullying, like traditional bullying, involves an imbalance of power, aggression, and a negative action that is often repeated. ~OLWEUS
3. Harassment: Includes actual or perceived negative actions that offend, ridicule, or demean another individual with regard to race, national origin, marital status, sex, sexual orientation, gender identity, religion, ancestry, physical attributes, socioeconomic status, familial status, physical or mental ability, or disability.
4. Intimidation: Subjecting an individual to intentional action that seriously threatens and induces a sense of fear and/or inferiority.