i.e. is the abbreviation of the Latin phrase ‘id est,’ meaning ‘that is.’
e.g. is the abbreviation of the Latin phrase ‘exempli gratia,’ meaning ‘for example.’
Use i.e. when you want to give further explanation for something.
Example: After work I’ll walk over to the Bearded Lady, i.e., the new pub a few blocks away.
Use e.g. when you want to give a few examples but not a complete list.
Example: I love drinking holiday-related beverages, e.g., Whiskey Eggnog.