Secondary scene: Teacher Wang opens Zhihu, searches for "How to choose fitness clothes", and searches for suitable fitness clothes in Taobao according to the answers.
Demand scenario refers to the situation that this demand will happen, and it is the general name of the environment and trigger conditions in which demand occurs. The environment in which demand occurs refers to the environment in which demand occurs. For example, for the demand of amount settlement, what happens is that customers go to the store to buy things and negotiate the price before payment. Payment will include several forms, including cash payment, code scanning payment and credit card payment. The requirement scenario needs to clearly describe the environment where this requirement occurs, including the people involved and the possible situations. This is the general scenario of the requirement scenario.
Requirements trigger conditions refer to how any situation in the requirements environment starts and what operations and processes are needed. Or take the above payment as an example. When the customer picks up the mobile phone to scan the code, it triggers the demand scenario of scanning the code payment. Then, after scanning the code, we need to see a payment notice in our cashier interface. This is a branching scenario in the requirements scenario.