This summary is not the rule. The rule text controls.
During a short trial, you can use information gathered before the trial to support your case. This includes reading directly from deposition transcripts (where someone answered questions under oath), playing video depositions, and quoting written answers to interrogatories or requests for admissions. You can also use any other evidence that both sides have agreed to allow.
This rule gives you flexibility in how you present your case at trial. Instead of only relying on live witness testimony, you can pull directly from these earlier statements and records to make your points. This can save time and help you back up your arguments with evidence that was already collected during the discovery process.
If both sides agree to use other types of evidence beyond what's listed here, that's allowed too. The key is that everyone agrees on what can be used, which helps keep the trial fair and avoids surprises for either side.
