1. be correct or accurate
you've hit the nail on the head there
This expression indicates precision and is used when you want to emphasise that you think somebody is exactly right or completely truthful in something they have said or done. It is common in both a social and professional context, but in the latter, it tends to be used in relation to getting to the key point of something or clearly identifying what is causing a problem or difficult situation. Phrases with a similar meaning include 'spot on,' 'right on the money,' 'nailed it,' and 'get to the heart of the matter.'