English-Spanish translations for diptych

dípticoCreo que debemos poner más énfasis en la política mediterránea, apoyándonos en el díptico democracia y desarrollo. I think we should place greater emphasis on Mediterranean policy, based on the diptych of democracy and development.

A writing tablet consisting of two leaves of rigid material connected by hinges and shutting together so as to protect the writing within
A double catalogue, containing in one part the names of living, and in the other of deceased, ecclesiastics and benefactors of the church
Artistically-wrought tablets distributed by consuls, etc. of the later Roman Empire to commemorate their tenure of office; hence transferred to a list of magistrates

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