# Phrase Weather > Phrase Weather explores idioms, usage, and origin research with careful distinctions between early evidence, plausible stories, and unsupported folklore. Phrase Weather publishes original, long-form guides about phrases, idioms & word origins. Every article opens with a concise direct answer, is structured with clear headings and FAQs, and reflects mainstream expert consensus. ## Clear Phrases - [By vs Until: Deadlines, Duration and Clear Examples](https://phrage.com/by-vs-until-deadlines-duration/): Use by for a deadline: “Send the picture by 4 pm” means send it no later than that time. - [12 Vague Office Phrases and What to Write Instead](https://phrage.com/replace-vague-office-phrases/): Replace vague office phrases by naming the action, owner, object, and timing. ## Word Origins - [How to Research a Phrase Origin Without Repeating a Myth](https://phrage.com/research-phrase-origin/): Research a phrase’s origin by defining the exact wording and meaning, listing spelling and form variants, and working backward through dated evidence. ## Full text for LLMs - [llms-full.txt](https://phrage.com/llms-full.txt): every article as plain markdown in one file - Each article is also available as markdown at https://phrage.com/.md ## Site - [About](https://phrage.com/about/): editorial approach and standards - [All articles](https://phrage.com/all/) - [Contact](https://phrage.com/contact/)