The term 'point of time' can be defined by five different crossword solutions: MOMENT (6 letters), JUNCTURE (8 letters), DATE (4 letters), NICK (4 letters), and EPOCH (5 letters). A MOMENT is a brief period of time, while a JUNCTURE is a point at which two things are joined together. A DATE is a specific day, month, and year, while a NICK is an exact point in time. An EPOCH is a period of time marked by a distinctive feature or characteristic. All of these terms refer to a point in time, which can be used to measure the passage of time.