agate / onyx

King / old man / venerable gentleman

yellow

(historical) (also rendered as 法皇) Ex-emperor and monk; Ex-emperor in cloister who is also in Buddhist priesthood. / (Christianity) pope

(religion) a religious Leader (Lit. "King of the Law (Dharma)")

kingdom (realm ruled by a king and/or queen) / (figuratively): kingdom (realm or conceptual space where something is dominant)

Europe and Asia, Eurasia

egg yolk

(monarchy) a "great king" (used in the titles of or as the term of address for some kings, and also as a translation of English "the Great")

calling out to each other; answering to someone calling out / agreement (of one word with another), going together of words / acting in concert; acting in harmony