The Concentrate Questions and Answers series offers the best preparation for tackling exam questions and coursework. Each book includes typical questions, suggested answers with commentary, illustrative diagrams, guidance on how to develop your answer, suggestions for further reading, and advice on exams and coursework. Shareholders in a company own shares, but the nature of a share and the rights of a shareholder are not easily defined. This chapter discusses the definition and characteristics of a share; the differences between different types of share, particularly ordinary and preference shares; allotment of shares and pre-emption rights; return of capital; and variation of class rights.