Most buildings and units are created by spending resources, while some buildings and units can also be summoned by certain units.
en.wikipedia.org He got home on a donkey, a doctor was summoned, and by the end of summer he was convalescing.
en.wikipedia.org The couples choose to return to the period before they were summoned to the Ark.
en.wikipedia.org Upon hearing an intruder, atomies hide and try to make the intruder go away, using false lights, clattering voices, and pesky, summoned insects.
en.wikipedia.org Arguments were common, some fuelled by intellect, others by alcohol, and if there were fights, and there often were, the police were never summoned.
en.wikipedia.org