Someone (mag-) asks for news or information from someone (-en).
May ka magdāmag di āmang an āngo naparin.
Go ask for news from father as to what happened.
Someone (magpa-) announces, reports, tells the news or information (ipa-) about someone or something.
Ipadāmag danchiw tabo napariparin do dya.
They will tell all that happened here.
dināmag
Someone, something, or someplace (mag-) becomes famous, well known.