I think thx0110's doubt is not what 'i.e.' or 'e.g.' mean, but rather how does one pronounce them while reading.
Personally I have always pronounced them like this:
e.g. -> example given
i.e. -> that is
However, I was waiting for a native speaker answer to confirm it.
Does any native speaker read them differently?
PS Not a native speaker
Yes, exactly ymnisky. When you have a sentence and you read it, how do you pronounce "e.g" and "i.e."? e.g like example given, for example, for instance, exempli gratia or just read the letters like AD or BC or NBA? The same question for i.e.