This summary is not the rule. The rule text controls.
If a court order gives some benefit to a person who isn't officially part of the lawsuit, or if the order needs to be enforced against someone who isn't a party, the same rules apply as if they were a party. In other words, being left out of the original case doesn't change how the order gets carried out.
This matters because sometimes a court's decision affects people beyond just the two sides in the lawsuit. For example, a company that isn't being sued might still be ordered to hand over records, or a person who isn't part of the case might be entitled to receive something because of the court's ruling. This rule makes sure those situations are handled the same way as they would be for an actual party in the case.
So if you find yourself needing to enforce a court order, or if someone is trying to enforce one against you even though you weren't part of the original lawsuit, you can expect the same procedures and protections that apply to regular parties. You are not treated differently just because your name wasn't on the original court papers.
