Specifications include, but are not limited to: The selected system must address the basic characteristics attributed to a proper system: The anonymity of a voter’s ballot must be preserved The system must be comprehensible and easy to use by the entire voting population, regardless of age, infirmity, or disability. The voting system is the total combination of mechanical, electromechanical, and electronic equipment (including the software, firmware, and documentation required to program, control, and support the equipment) used to define ballots; cast and count votes; report or display election results; connect the voting system to the voter registration system; and maintain and produce any audit trail information