This document discusses the concept of separate legal entity in company law, focusing on the landmark case of Salomon v A Salomon And Co Ltd. It also explores the different types of companies in Australia, such as company limited by shares and company limited by guarantee. Additionally, it covers the directorial duties under the Corporation Act 2002, including duty of good faith and proper purpose, duty to avoid conflicts of interest, duty of care, skill and diligence, and duty to prevent insolvent trading.