Abuse is the act of improper usage or treatment of a person or thing, often to unfairly or improperly gain benefit. Abuse can come in many forms, such as: physical or verbal maltreatment, injury, assault, violation, rape, unjust practices, crimes, or other types of aggression. Some sources describe abuse as "socially constructed", which means there may be more or less recognition of the suffering of a victim at different times and societies.