Ramatis III, in the Ramatis star system, is the home of negotiator Riva and his chorus.
	Solais V is the home to the two factions of Solari who have been at war for nearly 1500 years.
	The Enterprise has apparently just left the Lima Sierra System, a three planet system were one of the planets has a very strange orbit which is, according to Picard, "theoretically impossible". He even goes to the trouble of calling up a holographic representation of the system in his ready room to study it further.
	The leading party of planet Fendaus V are all limbless.
	The Leyrons of Malkus IX developed written language before they could speak.
	Transporter Chief O'Brien is finally given a last name in this episode.
	Riva was responsible for the negotiation of several high-profile Klingon-Federation treaties. Before his involvement, the Klingons had apparently know word for "peace-maker"
	Riva has apparently never failed in an assignment.
	M-Nine is a type of gestural sign langage.
	Pulaski claims that optic nerve regeneration is possible with Geordi, but there is no guarantee of success. Geordi claims he is in constant pain, but resents neither is VISOR or his blindness.

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