Note: 1,000 career games played are needed to make this list of the one-thousand greatest on base plus slugging leaders, raw averages are presented in parenthesis to further distinguish the top one-hundred, and a bold faced entry denotes that the player was active during the previous Major League season.
Primary active transport, directly uses metabolic energy (ATP) to transport molecules across a membrane.
Active records are those documents currently being used by a business unit or department on a daily or monthly basis. These records are retained at the department. If all or part of a record or record series is used on a continual basis, the entire record series is considered active. Typically, if a unit or department needs to reference a record series more than once every three months, it is considered active.