How fitted carpet differs from a loose rug
Fitted carpet is laid edge to edge and fixed to the floor, usually over a foam or fibre underlay, while a rug is a separate piece you can lift and move. That one difference changes almost every care decision.
Because you cannot lift it to shake it out or air it in the sun, vacuuming, ventilation and spot cleaning have to do all the work. Any moisture that gets in stays there until air movement dries it.
So treat the whole surface as a sensitive floor: not too much water, no harsh cleaners, and no dragging heavy furniture across the fibres without protection.
