For the purpose of this section, the following definitions shall not be held to modify or affect in any way the legal interpretations of these terms or words where used in other regulations:

  1. Words in the present tense shall include the future tense;
  2. Words in the singular number shall include the plural number, and words in the plural number shall include the singular number;
  3. The word "lot" shall include the words "plot" and "parcel";
  4. The word "shall" is mandatory and not discretionary;
  5. The word "person" shall include a corporation, partnership, and
    government as well as an individual;
  6. The words "occupied" and "used" shall be considered as though followed by the words "or intended, arranged, or designed to be used or occupied, offered for occupancy"; and
  7. Words not defined in this section shall have the meanings given in Webster's Unabridged Dictionary.