Marketing refers to activities a company undertakes to promote the buying or selling of a product, service, or good. It is one of the primary components of business management and commerce.
Search engine optimization (SEO) is the process of improving the quality and quantity of website traffic to a website or a web page from search engines. SEO targets unpaid traffic rather than direct traffic or paid traffic.
Branding is the process of creating a strong, positive perception of a company, its products or services in the customer's mind by combining such elements as logo, design, mission statement, and a consistent theme throughout all marketing communications.