Try and see a journey as a collection of similar discoveries that are needed to solve the particular problem of that journey.
You can therefore use discoveries to embed into different journeys, giving it a different context. Even more, you can use entire journeys to embed into another journey. These are represented as discoveries in the target journey.
Whenever you re-post a private journey, you will be warned by TribalMind. This is because the content is private for a reason. Its best to check with your tribe and the owner of the journey before sharing it into the public journey space.
All journeys that you re-post are traceable back to the original journey they were posted from so you can always track it back to the source.