Drive home
Meaning
Emphasize a point until it is clearly understood.
Usage
Used when underlining key messages.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Driving metaphor about steering to a destination.
Used since the early 20th century in rhetoric.