Nail it down: what does it mean?

It means to make something certain or final. Eg to `nail down a contract` would be to secure it to carry out the work.Nail it down: what does it mean?
depends how you use the word





if you have a hammer and nails then it litteraly means nail it down





but if you are talking to somene about doing something and they say that then it means, to get to the point or go for itNail it down: what does it mean?
well it could mean a lot of things 1- a carpenter 2-your boss has told you to go after an account and he want's you to get it done 3 you could have some loose carpet lol or some one wants you to shut up
It means figured out.
To ';nail it down'; suggests putting something together or holding it together. If you ';hit the nail on the head,';

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