Exact wording matters most for precise terms, and meaning matters most for conceptual queries. The line runs between phrases where the specific words are the thing and queries where the underlying idea is the thing. For a product name, a legal term, an exact specification, a model number, or a branded phrase, the precise wording is non-negotiable, because there is no synonym for it and the searcher means that exact entity. Drop or paraphrase the term and you stop matching what they typed. For broad, conversational, or synonym-rich queries, Google’s semantic understanding does the heavy lifting, and matching the meaning matters far more than reproducing any one phrasing.
Precise terms behave almost like identifiers. “Schedule C,” a specific drug name, “ISO 27001,” or a particular product SKU each refer to one thing, and Google treats the literal string as a strong signal because there is little room for interpretation. If your page is about that exact term, it should say the exact term, in the heading and the body, the way people search it. Here the old keyword-matching instinct is actually correct, not because of repetition, but because the phrase carries meaning that paraphrase would lose.
Conceptual queries are the opposite. When someone searches “how to get rid of a headache” or “ways to save on heating,” there is no single canonical phrasing, and dozens of wordings express the same intent. Google reads the meaning and rewards the page that best answers it, regardless of whether you used that exact string. Writing naturally for the concept beats trying to guess and match every possible phrasing, because you will never match them all and the attempt usually reads worse.
So judge each target by which side of the line it sits on. If the query is a precise, technical, or branded term, use the exact wording deliberately and don’t paraphrase it away. If it is broad or conversational, write clearly for the meaning and trust semantic matching to connect the wordings. When you are unsure, ask whether a synonym would change what the searcher means; if it would, the wording matters, and if it wouldn’t, the meaning does.