Needs: Something necessary for people to live a healthy, stable and safe life. When needs remain unfulfilled, there is a clear adverse outcome: a dysfunction or death. Needs can be objective and physical, such as the need for food, water, and shelter; or subjective and psychological, such as the need to belong to a family or social group and the need for self-esteem.
The process of marketing is that of bringing a product to market, which includes these steps: broad market research; market targeting and market segmentation; determining distribution, pricing and promotion strategies; developing a communications strategy; budgeting; and visioning long-term market development goals. Many parts of the marketing process (e.g. product design, art director, brand management, advertising, inbound marketing, copywriting etc.) involve use of the creative arts.
A generation ago, consumers were at the mercy of advertisers who spoon-fed them marketing messages across a few media channels: print, billboards, television, radio. These advertisers created markets, defining and reinforcing consumer stereotypes. In the 1950s, advertising was primarily a one-way conversation with a captive audience. TV advertising grew and matured into a viable marketing medium. Experts were the style makers.
This refers to the process of setting a price for a product, including discounts. The price need not be monetary; it can simply be what is exchanged for the product or services, e.g. time, energy, or attention or any sacrifices consumers make in order to acquire a product or service. The price is the cost that a consumer pays for a product—monetary or not. Methods of setting prices are in the domain of pricing science. 
Personal selling involves an oral presentation given by a salesperson who approaches an individual or a group of potential customers. Personal selling allows for two-way communication and relationship building that can aid both the buyer and the seller in their goals. Personal selling is most commonly seen in business-to-business marketing (e.g.: selling machinery to a factory, selling paper to a print shop), but it can also be found in business-to-consumer marketing (e.g.: selling cars at a dealership). 
Digital marketing planning is a term used in marketing management. It describes the first stage of forming a digital marketing strategy for the wider digital marketing system. The difference between digital and traditional marketing planning is that it uses digitally based communication tools and technology such as Social, Web, Mobile, Scannable Surface. Nevertheless, both are aligned with the vision, the mission of the company and the overarching business strategy.
This type of marketing strategy is used to gain resurgence in the audience in a short span of time by hacking into one of the internet marketing strategies. There are many professionals who can do this job for you in return for money. One method is to try several marketing strategies simultaneously. You can get a huge amount of data by following this technique.
Digital marketing is also referred to as 'online marketing', 'internet marketing' or 'web marketing'. The term digital marketing has grown in popularity over time. In the USA online marketing is still a popular term. In Italy, digital marketing is referred to as web marketing. Worldwide digital marketing has become the most common term, especially after the year 2013.
Market challenger: The market challenger holds the second highest market share in the category, following closely behind the dominant player. Their market posture is generally offensive because they have less to lose and more to gain by taking risks. They will compete head to head with the market leader in an effort to grow market share. Their overall strategy is to gain market share through product, packaging and service innovations; new market development and redefinition of the to broaden its scope and their position within it.
They not only come to work and get paid, but they promote your products and thus, help you to generate revenue. They will recommend your products to their family, friends, and acquaintances. they might share about your products on social media and can refer potential employees. Therefore, never make a mistake to ignore your employees while building a market strategy. They can be loyal customers of your business if treated right. The Difference Between Digital Marketing and Traditional Advertising