When I refer to an 'ad', I'm usually referring to the content. Whether I see it in a newspaper, on TV, or on a website, I call it an 'ad'. What are marketers re

When I refer to an 'ad', I'm usually referring to the content. Whether I see it in a newspaper, on TV, or on a website, I call it an 'ad'. What are marketers referring to when they say 'ad'?