It may occur directly between siblings or be mediated by the parents.

Trades can occur directly, or be brokered by third parties.

Report directly to me the moment there occurs a variation in circumstances.

Data transfer would now occur directly over an Internet connection instead of via e-mail.

The idea should have occurred to me directly.

He had never stolen before, and it did not occur to him directly to do so now.

Strikes occurred on each pass directly over this particular spot.

Half or more of domestic sales occurred directly in New York.

Trading can occur directly between two or more point sources or through an exchange.

Heavy smoke damage occurred only in second and third floor areas directly over the storeroom.