CPU VCORE is the voltage supplied to the CPU.
After that, VIN1 and 2 could correspond to anything, perhaps ram (though they seem low for that).
The other named ones correspond to their respective Power supply rails, however except for the -5V, they do not line up properly.
The reason for this error is, as the CPUID people explain, there is no standardization in the voltage monitoring chips. The fact you get any labels at all is just thanks to CPUID's experience and guesswork, which is often right. However, it also is wrong sometimes, as the motherboard manufacturers just have to be different and random.
If your motherboard came with monitoring software, it is sometimes more accurate, however even then you'll see errors.