The term 'THAT MOMENT' can be broken down into two words, 'THEN' and 'MOMENT'. The word 'THEN' is a four letter word meaning 'at that time'. It is often used to refer to a specific point in time or a particular event. The word 'MOMENT' is a six letter word meaning 'a brief period of time'. It is often used to refer to a special or significant MOMENT in time. Together, the phrase 'THAT MOMENT' can be used to refer to a particular MOMENT in time that is especially meaningful or memorable.