"Transcreation" gets used loosely, but it has an actual origin and an actual definition in the localization industry - and it names precisely the gap between translating words and adapting a feeling.
Where the term comes from
GALA (the Globalization and Localization Association, one of the industry's main trade bodies) describes transcreation as going a step further than localization: where localization adapts existing content to a target culture's expectations, transcreation effectively starts over, recreating a piece of content so its intent, style, tone, and emotional impact survive the trip into another language - even when the actual words don't. The American Translators Association's client-facing description makes the same point from a different angle: transcreation aims to keep a text's message, style, imagery, and emotional effect equivalent to the original, treating the words themselves as the most negotiable part of that equation, not the least.
Not just marketing copy
The term is most associated with advertising - a slogan built around a pun or a cultural reference has to be rebuilt from scratch in another language, not translated, or it simply stops working. But the underlying problem isn't specific to marketing: anywhere a piece of content's effect depends on rhythm, wordplay, connotation, or a shared cultural reference, a literal translation risks preserving the words while losing the actual point. A song lyric built around a rhyme, or a character's line built around a specific idiom, is the same problem in a different genre.
Making the tradeoff on purpose
The risk in transcreation is the same risk in any adaptation that departs from the literal: without something to check it against, a rewrite can drift from what the source actually meant, not just how it said it. Castia's Writers' Room is built around keeping that check in place - a literal anchor translation first, several creative rewrites second, and a Judge stage that scores each rewrite against the anchor and states the specific reason it earns its departure, rather than assuming a creative rewrite is automatically faithful just because it reads well. See the mechanics on how it works, or look up related terms in the glossary.