Google Analytics (GA) is a free service offered by Google that generates detailed statistics about the visitors to a website. wikipedia.org

Social media marketing refers to the process of gaining traffic or attention through social media sites. wikipedia.org

Search engine marketing, (SEM), is a form of Internet marketing that seeks to promote websites by increasing their visibility in search engine result pages (SERPs) through the use of paid placement, contextual advertising, and paid inclusion. wikipedia.org

Google Shopping, is a Google service which allows users to search for products on online shopping websites and compare prices between different vendors. wikipedia.org

Media Buying, a sub function of advertising management, is the procurement of media real estate at optimal placement and price. The main task of media buying lies within the negotiation of price and placement to ensure the best possible value can be secured. wikipedia.org

Marketing strategy is a process that can allow an organization to concentrate its limited resources on the greatest opportunities to increase sales and achieve a sustainable competitive advantage. wikipedia.org