Scenarios are sets of commands, which in turn are tasks with parameters and options. In other words, a scenario provides a sequence of task executions with specific parameters. Scenarios can be defined for a specific application mode (dev, build, use).

build-fw-distro, bfd - builds all distribution artifacts

This scenario will create all required artifacts for building a framework distributions. It can be used in the dev application mode, though the framework should be started with option --all-mode to catch all tasks. The scenario calls the tasks build-manual and build-help. Since it builds all artifacts, it has all requirements as these two tasks, including JRE8 (for tool execution).