ex-plainer (noun) translator: interpreter
Detalii: an interpreter converts speech to another language and a translator converts writing to another language
Sinonime: ABCs,
beacon*, bellwether,
bible, catalog, chapter and verse,
clue,
compendium, directory, enchiridion, guidebook, guiding light, handbook, hot lead,
key,
landmark, lodestar, manual,
mark, marker, no-no's, pointer,
print,
sign,
signal, signpost, telltale, the book, the numbers, tip-off, vade mecum