In product development, an end user (sometimes end-user) is a person who ultimately uses or is intended to ultimately use a product.In information technology, end users are not "customers" in the usual sense—they are typically employees of the customer.

Business-to-business is a situation where one business makes a commercial transaction with another. This typically occurs when: A business is sourcing materials for their production process for output .Example- Providing raw material to the other company that will produce output

Distribution is one of the four elements of the marketing mix. Distribution is the process of making a product or service available for the consumer or business user who needs it. This can be done directly by the producer or service provider, or using indirect channels with distributors or intermediaries.

In the case of corporate trade payments, the payment information from the payer is electronically transferred to an Automated Clearing House (ACH) which is a link between the banks of the buyer and the seller.

Wholesaling, jobbing, or distributing is the sale of goods or merchandise to retailers; to industrial, commercial, institutional, or other professional business users; or to other wholesalers and related subordinated services. In general, it is the sale of goods to anyone other than a standard consumer.

Wholesaling, jobbing, or distributing is the sale of goods or merchandise to retailers; to industrial, commercial, institutional, or other professional business users; or to other wholesalers and related subordinated services. In general, it is the sale of goods to anyone other than a standard consumer.

Manufacturers mainly focus on production and creating products or finished goods. Manufacturers rarely sell their products directly to consumers or the end users of the products. Instead, manufacturers usually sell their products to other businesses down the chain like a retailer, dealer, or wholesaler.

Distribution systems can be defined as the sequential flow of procedures, systems, and activities which are designed and linked to facilitate and monitor the movement of goods and services from the source to the consumer.

A distribution channel is the route through which goods or services move from the company to the customer or the transfer of payment happens from the customer to the company. Distribution channels can mean selling of products directly or selling through wholesalers, retailers etc.

Elements of marketing mix such as price, promotion, and distribution are also equally important in designing product mix. Company tries to maintain consistency among these all elements to carry out marketing activities effectively and efficiently.

An intermediary in the channel is called an agent/middleman. Channels normally vary from two-level channels without intermediaries to five-level channels with three intermediaries. For example, a leather handbag manufacturer who prepares handbags and sells it directly to the customer is in a two-level channel.

Market influences sometimes called the internal environment include price, human resources, and firm culture. External influences, or the external environment, include technology, competitors and the economy. 

Zero Level channel / Direct Marketing Channel. Consists of a manufacturer directly selling to the end consumer. This might mean door to door sales, direct mails or telemarketing. Dell online sales is a perfect example of a zero level channel marketing.

Product and service promotion is the most common form of marketing. Promotional activities can include: advertising you can advertise your product, service or brand in newspapers, radio, television, magazines, outdoor signage and online

Wholesaler is a person or a firm that buys a large quantity o goods from the manufacturers, producers, vendors and sells it to the retailers or other businesses who further sell it to the consumers. The wholesaler does not sell the products directly to the consumer, the product flows from wholesaler to the retailer and then to the end user.