What's the difference between i.e. and e.g.?
1550s, from Latin configurationem (nominative configuratio), noun of action from past participle stem of configurare (see configure).
configuration con·fig·u·ra·tion (kən-fĭg'yə-rā'shən)n.
The arrangement of parts or elements of a whole, especially the structural arrangement of atoms in a compound or molecule.