In upselling, the advantages of the higher product or service category are to be suggested to the customer by means of plausible arguments and, in particular, by product demonstrations, for example, greater benefits, convenience, etc. From the seller's point of view, there is a risk that upselling will make the buyer lose interest in buying the product, i.e. that he will neither buy the more expensive product nor [...]
German: Anwendungsszenario The application scenario or use case (e.g. buying coffee at a coffee vending machine) describes all steps of interaction between a consumer or user with a system (e.g. inserting money, selecting product) and all externally perceivable reactions of the system (e.g. requesting more coins to be inserted, ejecting a coffee cup, making the coffee, etc.). The result of the [...]
User Acceptance (UA) describes whether a software is accepted by the user software. Software vendors often test this with beta tests. User acceptance should not be confused with system testing, which ensures that the software does not crash and that the documented requirements are met.
The term user experience (abbreviation UX, German literally 'Nutzererfahrung', better 'user experience' or 'Nutzungserlebnis') describes all aspects of a user's impressions and experience when interacting with a product, service, environment or facility. This also includes software and IT systems. The term user experience is mostly used in connection with the design of websites or apps [...]
A user story is used as part of agile project management in software development to specify requirements. The user story is a short explanation of the desired functionality from the perspective of the end user in everyday language.