Off the record

What does it means:
-Off the record ?

record (of something) a written account of something that is kept so that it can be looked at and used in the future
(just) for the record
used to show that you want what you are saying to be officially written down and remembered
Just for the record I would like to clarify something my colleague said earlier
off the record
if you tell somebody something off the record, it is not yet official and you do not want them to repeat it publicly
Strictly off the record, some members of staff will have to be made redundant.