Once you have uploaded your freshly designed media, it's time to double-check that everything looks (and reads) according to plan.
To do so, simply select one or multiple images or videos and use the control panel below their thumbnail to:
When you're at least 74% positive that everything's looking good, click on the 'Send' button then confirm your intention. This will submit all the uploaded creatives for review. You can learn more about the review process from this article