Maryland Code, Election Law § 3-401

(a) In this subtitle the following words have the meanings indicated.

(b) “Universal registration” means an election administration in which the list of individuals eligible to vote in a municipal election includes those residents of the municipal corporation who are included on the statewide voter registration list at addresses within the municipal corporation.

(c) “Voter registry” means the list provided by a local board of registered voters who are residents of the municipal corporation.