If the order of the subflows described for the use case does not have to be fixed, do not describe it as if it does have to be fixed. Don't use a complex term when a simple one will do. Write short, concise sentences. Avoid adverbs, such as very, more, rather, and the like. Use correct punctuation.
Objectives Use case modeling guidelines bring uniformity to the project.
This artifact provides a common perspective to the use case models so there is no misinterpretation of the model. Scope Use case modeling guidelines apply to the use case models as well as use case diagrams. The whole picture of the system is brought to fore by the use case models. So to avoid any discrepancies in understanding the system a common platform is provided by the use case modeling guidelines. This is mainly used by the designer of the system.