The Diablo 2 Wiki
The Diablo 2 Wiki archive is available for anyone looking for information on Diablo 2. All information here is pre-D2R but contains a lot of useful information that is still relevant. Updated sections for new D2R features can be found on the PureDiablo Diablo 2 section


From Diablo 2 Wiki

Elemental is a reference to a damage type. There is four types of elemental damage: Fire, Cold, Lightning and Poison.

Other types of damage: physical, magical, holy and unholy.