I have found that here in Euskadi, a lot of times people will say... Vale, Venga, agur, adios, luego- or ANY combination
Another thing I thought was kind of funny when I first got here how the phone is typically answered...si, digame, dime, RARELY, hola.
I have found that "vale" has MANY different meanings...ok, good, no problem, whatever- it seems to kind of be used as a filler, or transition word.
Another one that really confused me at first..."venga", it isnt always used as a verb.
When I asked my host family, they said it could mean anything... my family will even sometimes use it as a form of "adios".
Kelly