It means your liquid zing are 48,178.559, you have 5000 staked and an ongoing unstake of 7500 which will become liquid soon. To claim rewards you need to be registered (logged in with keychain once) on holozing.com where you'll receive staking rewards for your staked zing or delegation rewards for your HP delegated to @zingtoken or posh rewards for the amount of POSH you hold. (the latter claim is about to run out at the end of the month)