MediaWiki:Securepoll-votereligibility-lists-info/en

Eligible voters may also be listed explicitly. There are three lists:
 * The  is a list of voters who are allowed to vote, if they also meet the basic requirements defined above. This list is often populated automatically.
 * The  is a list of voters who are allowed to vote regardless of the basic requirements or the eligibility list.
 * The  is a list of voters who are not allowed to vote, regardless of any other lists.