Miss. Code Ann. § 23-15-503

As used in this subarticle, unless otherwise specified: (a) “ Optimal mark reading (OMR) ” means a method of capturing data electronically into a computer system. (b) “ Optical mark reading equipment (OMR) ” means an apparatus that reads pen and pencil marks made in pre-defined positions on paper ballots to automatically examine and count votes. (c) “ Counting center ” means one or more locations used for the automatic counting of ballots. (d) “ Marking device ” means a pen or pencil that the voters use to record their paper ballots, which is readable by the OMR equipment. (e) “ Ballot ” means a paper ballot on which votes are recorded by means of marking the ballot with a marking device.