Retargeting is a form of online targeted advertising by which online advertising is targeted to consumers based on their previous Internet actions. wikipedia.org

The planning, executing, tracking and analysis of direct marketing campaign. wikipedia.org

Display advertising is a type of advertising that typically contains text (i.e., copy), logos, photographs or other images, location maps, and similar items. 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

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

Media planning is generally outsourced to a media agency and entails sourcing and selecting optimal media platforms for a client's brand or product to use. 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