The ways and parts of humans. The structure. From molecules to bones.
Vacation time allows her the time to be away from work and also spend time with family and kids. This would allow Christine to work her regularly scheduled hours and the company would not have to alter their or change their working hours. The company could simply assign someone else her job while she is out on vacation time.
1) Physiological need, such as needs for food, sleep, and air
2) Safety or the needs for security and protection
3) Belonging and love
4) Needs for self esteem and self respect
5) Needs concerning creative self growth, engendered from fulfillment of potential and meaning in life