Nouns

(n)gloss, rubrican explanation or definition of an obscure word in a text
(n)glossary, glossan alphabetical list of technical terms in some specialized field of knowledge; usually published as an appendix to a text on that field
(n)polish, gloss, glossiness, burnishthe property of being smooth and shiny
(n)semblance, gloss, color, colouran outward or token appearance or form that is deliberately misleading“he hoped his claims would have a semblance of authenticity”, “he tried to give his falsehood the gloss of moral sanction”, “the situation soon took on a different color”

Verbs

(v)glossgive a shine or gloss to, usually by rubbing
(v)gloss, comment, annotateprovide interlinear explanations for words or phrases“He annotated on what his teacher had written”
(v)glossprovide an interlinear translation of a word or phrase
(v)color, colour, glossgive a deceptive explanation or excuse for“color a lie”