My teacher said that, technically, an orphan have at least 3 characters or less at the end of a paragraph or column. But mostly on every site about design and type I always find that an orphan is just a word even if it have more than 3 characters.
Which is right? Technically in most conservative way, defined by some great designer in the history.
To make it clear. It's correct instead of having an orphan paragraph:
Making this to avoid? My teacher said that isn't technically an orphan word because it have more than 3 letters