First, the tar file means that it is an archive similar to .zip.
Second, to "untar" the file I should make you read the tar man, but this time I'll be nice.
Code:
tar -zxvf wine*.tar.gz
If you have a tar.gz otherwise swap the z for a j for tar.bz2.
Then the file will automatically extract into a new directory labeled wine*.
To install any program you can just do the three step:
Code:
./configure && make && su -c "make install"
You probably want to do a little homework before you just jump in though. I would recommend reading the documentation available at
www.winehq.com, their applications database can sometimes be invalualable for saving your time of install on an appliction (inside of wine). Otherwise, if you are in a hurry to get wine up and try it out, read the INSTALL file in that new directory. Should be quite informative, probably too informative for you right now, but you will come to realise how well developers document some of the tweaks for their programs.
Regards,
Alunduil