The term 'highlighter' refers to a writing tool used to emphasize or draw attention to certain parts of a text. The two crossword solutions for this term are 'RECAP' (5 letters) and 'feltpen' (7 letters). A RECAP is a shortened version of a longer text, while a feltpen is a pen with a soft tip that is often used to highlight text. Both of these tools can be used to highlight text, making them both valid solutions for the term 'highlighter'.