This summary is not the rule. The rule text controls.
When someone represents themselves in a criminal case, files a petition under Rule 40 (a special process for challenging a conviction or sentence), or is currently in prison, the court clerk has specific duties when that person sends in documents. The clerk must stamp the document with the date and mark it as "lodged" or "received." The clerk then has to add it to the case docket, which is the official record of everything filed in the case.
After that, the clerk must send the document to a judge or hearing officer so it can actually be reviewed. This rule makes sure that paperwork from people without lawyers, including those behind bars, doesn't get lost or ignored. It guarantees their filings get official recognition and reach someone who can act on them, just like documents filed by attorneys.
One thing to keep in mind is that this rule works alongside Rule 8, which may add other requirements or exceptions. So the full picture depends on reading both rules together.