What does F T L N 9 mean?

FTLN 9 refers to a line number in a play or literary text formatted in Folger Theatre's format, where "FTLN" stands for "Folger Text Line Number." This numbering system is commonly used in editions of Shakespeare's works and other early modern texts to provide precise references for specific lines. Thus, FTLN 9 indicates the ninth line of the text in this format.