Collection ad with a brand frame. Drop your transparent PNG frame once and it layers over every product below, exactly as Meta applies a catalog overlay to dynamically pulled products. Then drop a few real product images to check the frame sits right on each one. The frame is fixed but products vary, so watch for a border that clips a product on one tile and floats on another.
An image or a video. Drop a feed size and a story size together and it sorts them for you.
Feed, Stories or Reels, and the format. The preview shows it exactly as your client would see it on a phone.
That is where Instagram and Facebook draw their own buttons and captions over your creative. Keep your text and logo out of them.
Turn on Measure and drag down a letter. It tells you whether it is big enough to read on a real phone.