The term 'not unusual' can be represented by three letter acronyms ITS, NORMAL, PAR, and REGULAR. ITS stands for Information Technology Services, which is a department in many organizations that provides technical support and services. NORMAL stands for Not Odd or Rare, Meaningful, Acceptable, Likable, which implies that something is not out of the ordinary. PAR stands for Performance Assessment Review, which is a process used to evaluate an individual's performance in a job. Finally, REGULAR stands for Routinely Established Guidelines for Universal Rules and Laws, which suggests that something is done in accordance with established rules and regulations.