Translation of konkretisieren

However, if a company's situation is not really bad, they need to be twice as careful about any changes, as some changes may bring opposite or even side effects. No change is entirely riskfree.
I took my backpack and looked for a minibus that would take me a little outside of the town to a small settlement called El Panchan. I arrived there very early and no rooms were available yet.
We boarded the ship and it left the port. They started with lunch, which was pretty good. The ship sailed for about an hour until it reached the bay area, which had over one thousand islands.