The term 'loose end' can refer to a number of different things. In this crossword, the solutions NESS (4 letters), DETAIL (6 letters), and OPENQUESTION (12 letters) all relate to the concept of loose ends. NESS refers to a lack of completeness or closure, DETAIL is a small piece of information that is often overlooked, and OPENQUESTION is an unresolved issue or query. Together, these three solutions provide a comprehensive description of the term 'loose end'.