Internal Value Chain

https://www.google.com/search?q=external+value+network&source
Internal value chain is a process where a firm identifies its primary and support activities that add value to its final product and then analyze these activities to reduce costs or increase differentiation. value chain represents the internal activities a firm engages in when transforming inputs into outputs.
Opportunity the retail Aer wanted to adapt its business to keep up with and anticipate rapidly evolving customer need, as well as compete with pure play online retailers. to achieve its goal, it needed to reinvent itself as digital retail leader, transforming from a Cataloque led business to a digitally led and enabled business. Argos is working with Accenture to seemingly integrate digital, supply chain and the store network to enhance the customer experience with greater speed, convenience, value and choice
External Value Network

Value network is describe as a business analysis perspective that describes social and technical resources within and between business. The nodes in a value network represent people or roles companies have both internal and external value networks.
The concept of push and pull

https://www.google.com/search?q=what+is+concept+external+value+network&sourc
The primary difference between push and pull marketing use in how consumers are approached. In push marketing the idea is to promote products by pushing them onto people on the other hand in pull marketing the idea is to establish a loyal following and draw consumers to the products, business before used to stock products and sell them without knowing exactly what the customers want. but now the business bring the consumer along with them to select the product the want the , the fell is good them.
https://www.thedrum.com/news/2016/03/10/argos-sees-digital-and-mobile-growth-amid
Argos supply everything from state of the art, 4k Ultra HD televisions with OLED, so you can be able to to see your favorite films and TV in stunning visual quality. most times they are ahead of the game when it comes to technology, so their customers can be able to order online for new products from their favorite brands, directly from the website. the update their website is from more often for good tech deal this black Friday.
Pull marketing is any method a company uses to generate demand for a products. This contrasted with push marketing which is a strategy intended to sell out an exist supply of a product.

https://www.google.com/searchq=argos&source=lnms&tbm=isch&sa=X&ved=0ahUKEwj2
Waiting in the queues at Argos to collect your numbered order used to be one of the traditions of the UK cataloque retailer, but that experience looks to be a thing of the past after the cataloque retailer pledged to serve customers within 60 seconds as part of digital revolution in it stores.
Argos is introducing a fast track service that is says will allow customers who who have ordered their products online to collect them from a store within sixty seconds of arriving. Argos is also launching pay and collect points, meaning the end for its long collection counters that involved customer waiting for their number to be called by shop assistants. Argos unveiled its its new look digital concept store, at old street at the end of last year and has developed six of the stores, including four in London .The new digital concept stores enable customers to trail with customer trial with customers several important features of what we believe a store should offer in digital future.