This report, prepared for the online business manager of Asos, delves into the e-business environment, examining various transactional modes like B2B and B2C, and highlighting the importance of e-business in the modern market. It discusses the advantages and disadvantages of online business, along with security and legislative issues such as computer viruses, hacking, and data protection. The report explores communication methods available to an e-business, emphasizing the role of internet technologies, including HTML, client-server models, and search engines, in achieving business success. It also details the features of HTML and the functionality of client-server models, providing a comprehensive analysis of key elements for effective online business operations. References to key sources are included to support the analysis.