Defined Terms govern Companies Rules: key definitions include responsible officer, charge, seal, and Act references. Rule 2 defines key terms for the Companies (Central Government's) General Rules and Forms, 1956: Act as the Companies Act, 1956; Annexure and Form as attachments and forms in Annexure A; Charge to include a mortgage; the seal as the company's common seal; section as a section of the Companies Act, 1956; and responsible officer to include a director, a manager or secretary (omission noted), and other officers the Central Government may recognise. Words not defined here take their meanings from the Act.