Strategic planning focuses on the 3C's, namely: Customer, Corporation and Competitors. A detailed analysis of each factor is key to the success of strategy formulation. The 'competitors' element refers to an analysis of the strengths of the business relative to close rivals, and a consideration of competitive threats that might impinge on the business' ability to move in certain directions. The 'customer' element refers to an analysis of any possible changes in customer preferences that potentially give rise to new business opportunities. The 'corporation' element refers to a detailed analysis of the company's internal capabilities and its readiness to leverage market-based opportunities or its vulnerability to external threats.
The marketing discipline had its origins in the early 20th century as an offspring of economics. Economic science had neglected the role of middlemen and the role of functions other than price in the determination of demand levels and characteristics. Early marketing economists examined agricultural and industrial markets and described them in greater detail than the classical economists. This examination resulted in the development of three approaches to the analysis of marketing activity: the commodity, the institution, and the function.
Search engine marketing - Search engine marketing (SEM) is a form of Internet marketing that involves the promotion of websites by increasing their visibility in search engine results pages (SERPs) primarily through paid advertising. SEM may incorporate Search engine optimization, which adjusts or rewrites website content and site architecture to achieve a higher ranking in search engine results pages to enhance pay per click (PPC) listings.
This refers to how the product gets to the customer; the distribution channels and intermediaries such as wholesalers and retailers who enable customers to access products or services in a convenient manner. This third P has also sometimes been called Place or Placement, referring to the channel by which a product or service is sold (e.g. online vs. retail), which geographic region or industry, to which segment (young adults, families, business people), etc. also referring to how the environment in which the product is sold in can affect sales.  5 Digital Marketing Skills to Master for 2020 & Beyond