Mashal and Nimshal - A Solid Presentation
A Mashal (Hebrew: משל) is a short parable with a moral lesson or religious allegory, called a Nimshal (Wikipedia)
In Visual Midrash, the image is the Mashal, with interpretation possibilities being the Nimshal.
The Mashal image of the Ten Commandments below is an old advertisement for Microsoft Word 3, a software version from the early 1980's. The Nimshal that the viewer should buy the software as a way of impressing others.