When building a section model, modeling tools (activities) are required. These tools have properties to configure.
All tools have at least the Name property to identify them. For example, when inserting a point creation tool, the properties screen is shown:
In general, this name must follow the naming rules.
Don't get confused: use the description of the activities to give meaning to them where necessary:
All activities have arguments that can be Visual Basic expressions that can evaluate to values. See the topic VB (Visual Basic) Expressions