If you want the dictionary definition, just double click on any word.

e.g. stands for exempli gratia (Latin) = for example.

For example:-

"I like fast cars, e.g. Ferrari and Porche"

In the sentence above you are simply giving an example of the kinds of cars you like - Ferraris and Porches.

i.e. stands for id est (more Latin) = that is (in explanation).

For example:-

"I like fast cars, i.e. any car that can go over 150mph."

In this second sentence you are giving an explanation of what you consider to be fast.