-A **code word** is a pre-arranged term or phrase, often used to convey a [secret](/wiki/secret) message or to authenticate identity. It acts as a compact, hidden signal, a verbal [key](/wiki/key) in secure [communication](/wiki/communication), designed to carry a distinct, pre-arranged meaning within its specific context.
-- "Protein Spill"
-- "George is flying the Plane Now"
-- "White Powder"
-- "Treasured Guest"
+A **code word** is a pre-arranged term or phrase, often used to convey a [secret](/wiki/secret) message or to authenticate identity. It acts as a compact, hidden [signal](/wiki/signal), a verbal [key](/wiki/key) in secure [communication](/wiki/communication), designed to carry a distinct, pre-arranged meaning within its specific context.
+- Protein Spill: A common term used in some organizations to indicate a biological or chemical incident, often requiring a specific [emergency](/wiki/emergency) protocol.
+- George is flying the Plane Now: Could be a code phrase used to signal a specific phase of an operation has begun, or a particular individual has taken control, especially in [military](/wiki/military) or [intelligence](/wiki/intelligence) contexts.
+- White Powder: Often used as a code to report a suspicious substance, particularly in public safety or [hazmat](/wiki/hazmat) scenarios, without causing immediate panic.
+- Treasured Guest: A term that might be used to covertly identify a high-value target, a dignitary whose presence must be kept secret, or a person requiring special handling in [security](/wiki/security) operations.
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