The basic search for EBSCOhost is a keyword search. Entering any keywords will pull up a preliminary set of results associated with the keywords entered.
The advanced search for EBSCOhost is a multi-term multi-field search. You can enter different search terms and select the appropriate field for the search from the drop-down menu to the right.
This list of options is what you'll see when you click Select a Field. You can perform a complicated search very quickly by combining these features.