figurative, descriptive, emblematic, revealing, exegetical, exegetic, explanative, explicative, hermeneutic, hermeneutical, illustrative, informative, instructive, interpretative, interpretive, annotative, clarifying, informing, elucidative, expository
Also ex·pli·ca·to·ry [ek-spli-kuh-tawr-ee, -tohr-ee, ik-splik-uh-] /ˈɛk splɪ kəˌtɔr i, -ˌtoʊr i, ɪkˈsplɪk ə-/.
Origin of explicative
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
1640s, "having the function of explaining," from Latin explicativus, from explicare (see explicit). As a noun, from 1775.
Online Etymology Dictionary, © 2010 Douglas Harper