Crew resource management | Glossary

Definition:

Crew resource management or cockpit resource management is a set of training procedures for use in environments where human error can have devastating effects. Used primarily for improving aviation safety, CRM focuses on interpersonal communication, leadership, and decision making in the cockpit of an airliner.

Further Reading:

Book: Flawless Execution by James D. Murphy

Quality of Service | Glossary

Definition: 

Quality of Service is of particular concern for the continuous transmission of high-bandwidth video and multimedia information. This technologies provides differentiated handling and capacity allocation to specific flows in network traffic. This enables the network administrator to assign the order in which packets are handled, and the amount of bandwidth afforded to that application or traffic flow.

Further Reading: 

Book: End-to-end Qos Network Design  Book by Christina Hattingh and Tim Szigeti