Placeholder

A placeholder is just that--it's holding a place for a picture, video, calendar, or map that you want to locate in that position. You can resize it ahead of time, too. Sometimes it's easier to put in all the text on a page and then add the picture, video, calendar, or map when you are finished. Just don't publish your page without putting that element into the placeholder or it will look like a gray box on the page, like it does on this one.

See below for a picture added using a placeholder.