Which best describes an LDP label binding?

An LDP label binding is the association between a destination prefix and a locally generated label. When an LDP router learns a route for a destination prefix, it allocates a unique label for that prefix and advertises this binding to its LDP neighbors. This allows other routers to forward traffic for that prefix using the assigned label. "Two routers with label distribution session" describes the relationship between LDP peers, not the binding itself. "Source prefix with label" is incorrect; labels are bound to destination prefixes. "Neighboring router with label" is also incorrect; the label is for a destination, not the neighbor itself.