Yes, you've got it!

What does the idiom 'you've hit the nail on the head' actually mean? The exact translation in Italian would be: colpire nel segno. We use it to mean, the exact or precise thing.
Some examples of this widely used phrase:
"She hit the nail on the head when she pointed out that problem"
"Yes you've hit the nail on the head with that answer"
"Although we seem to have found a partial solution, no one has actually really hit the nail on the head"

The phrase dates back to the 1400s, it's origins are unknown.