Respuesta :
The correct answer to this question is "a word that confuses most readers because of its unusual sentence use." A signal word is a word that confuses most readers because of its unusual sentence use. The signal word can be either be danger, warning or caution.
A signal word or also known as a transition word is a word that indicates whether a comparison or contrast is being used. These words are used to signal your readers and guide them to a certain direction. Examples of transition words include: in addition, moreover, in contrast, yet, on the other hand, though and etc.