It means there are 5,000 points available. Those points are like money in your wallet so you can use them to bet right away. There are 12 billion points in the bank. Those must be withdrawn if you wish to use them.
There is an article in Asian American Art Oral History Project that I thought you might like to read: Alvin Sandique (2012) Eulalio Fabie De Silva Interview, http://via.library.depaul.edu/oral_his_series/50. I hope you enjoy this article, which may be viewed without charge.
THere's a download feature (see button) on the transcript of the interview.
my friend showed me that website before. it looks like a good place to learn the basics and learn more about the sport. you never had amateur fights?
i have also seen that marquez/pacquiao video before, very interesting. marquez is the beethoven of boxing. he is a true technician. one of the greats of this era.