As used in this article, the following terms shall have the meanings indicated:
The act of immobilizing a motor vehicle in such a manner as to prevent its operation with a device or means which will cause no damage to such vehicle unless it is moved while such device is in place or while such means are employed.
A citation for unpaid parking violations for which a citation or summons has been issued (to which either no response has been made or for which a warrant has been issued) and includes an adjudicated citation for which the fines and costs imposed are unpaid.
A violation of the parking, standing or stopping regulations of the Borough or of the Pennsylvania Motor Vehicle Code which is outstanding and unpaid over 30 days from the date of issuance.