Because it is not the actual word
You have to post the article for people to help you
<span>Keeping this definition in mind, most of the lines in the prologue alude to the fact that the play will be a tragedy. It talks about how civil blood will make civil hands unclean, how two star-crossed lovers will take their own lives, and how their deaths will end a long-term dispute between two respectable families.</span>
They are rubric tools that state specific criteria that allow teachers and students to gather information and to make judgments about what students know and can do in relation and outcomes.
Hope this helps! :)