What is a distribution channel? What is the relationship between channels of distribution and logistics? How does geographical location affect your selection of distribution channels?

What is a distribution channel? What is the relationship between channels of distribution and logistics? How does geographical location affect your selection of distribution channels?

What are the similarities and differences between promotional push strategies and promotional pull strategies? What is an example of a situation in which an organization would use a push strategy? What is an example of a situation in which an organization would use a pull strategy?