What is the physical distribution and explain the difference between the distribution channels and physical distribution?

Physical distribution is supply of finished product from company to the end user the customer,it is done either by company directly through its own network of distributors or stockists or company hires services of franchisees or appoints C&FA who ensure the warehousing and logistics and also ensures the demand in the market is met through its channel partners.

Physical Distribution:- It is associated with the supply of finished product from the production to the end consumer.

The channels/ methods involved for the physical distribution to supply the goods are defined as distribution channels.

The Physical distribution is the forward movement of products or services form a company's manufacturing facility to customers. It involves a defined network of  transportation, warehousing & storage and then final delivery at the required destination in a cost effective manner.

While

A distribution channel is the chain of individuals and organizations involved in getting a product or service from the producer to the consumer. Distribution channels are also known as marketing channels or marketing distribution channels.

The Product Require Physical Distribution even though you have Direct Customers or Channelized marketing system. In commerce terms it is the overcoming of hindrance of Place.It is the delivery of products at the right time and right place and is combination of the decisions regarding channel of distribution sought for- whether it straight to client, or to the whole market and from them to the retail market. Everywhere physical distribution is required by from whom to whom is the question.