There is no better way to know what is value chain analysis other than its judgmental example. However, the analytic report must be from an ideal firm that used its concepts for improvement to perfection.
IKEA is one of the firms that used its ideal analysis charts to improve throughout the decades and provide extreme value to the users. It is not just adding up the activities and keeping track but much more. It is the name of listing customers' satisfactory needs and strategies to fulfill them.
Like any other value chart analysis, the IKEA analytic report also has two different types of activities.