Hit the Nail on the Head Meaning

To hit the nail on the head is an old English idiom in existence since at least the 15th century, and probably longer. It is one of those those idioms whose meaning is fairly easy to tell. It means to be exactly correct, especially in regards to a statement, or to have summed up a situation perfectly. Basically, to hit the nail on the head means to be on point, to hit the mark. This expression is especially used when someone is describing the cause of a problem or situation.