Definition: A system of services, opportunities, or projects, usually designed to meet a social need.
In this case, a digital service provided directly by the IRS, hence the name “Direct File.” In contrast, filing by paper is still supported. Tax preparation businesses have been actively preventing the US filing process from being simplified, naturally because that’s the reason they make money.
They want to be the middleman, so requirements for them to provide a free filing service are hidden and direct competition is in this case buried.