A source is one marketplace + one Apify actor + a field mapping. Configure it once, then reuse it across as many searches as you like. Run test sets the field mapping automatically.
Grouped by destination. Click a card to edit it right where it sits; switching its target moves it to the other column.
Runs every search cheaply (list only), then lets you pull full details — images and descriptions — for just the hits you pick.
Runs every search. For a search's own cadence, set a schedule right inside that search's card.
Raw operator manifest. Normally you won't need this — configure searches in the tab above.