Voting rights of shareholders refer to the rights and privileges granted to individuals or entities who own shares in a company, allowing them to participate in the decision-making processes of the company. These rights typically include the ability to vote on various corporate matters and influence the company's direction. 

An artificial person, in the context of a company or corporation, refers to the legal concept that treats a company as a separate and distinct entity from its owners or shareholders. This concept is often referred to as "legal personality" or "corporate personhood."

Convertible debentures are a type of financial instrument that companies issue to raise capital. They combine features of both debt (debentures) and equity (stock). 

Shares that are not secured by any charge or lien are referred to as "unsecured shares" or "unencumbered shares."