It means you can interview with them next semester and not have to go through OCI.
your welcome for the great advice
no. basically, it means that they really just didnt have any spots open for 1Ls. Many firms interview just to kind of build interest in their firm among members of your law school. I have several friends that were told to come back, and I believe they all got offers the next year. I had one firm tell me to skip OCI (didnt have an original interview my 1L year) and go right for callbacks and I got an offer.
Basically, it makes things easier next year because, if you have a limit for OCI, you dont have to count that firm. Plus, you will go right to callbacks and probably get an offer if they really did like you and your transcript/resume doesnt take a downfall before then.
Make sure you try your best to get law review though, because that will make or break you.
dont read into it too much, but look at it all as a good sign.