The term LTR stands for 'Long-Term Relationship'. It is a type of relationship between two people that is intended to last for a long period of time. The acronym ENC stands for 'ENCOURAGEMENT', which is an important part of any long-term relationship. ENCOURAGEMENT is the act of providing support and motivation to someone in order to help them achieve their goals. It is essential for any successful long-term relationship, as it helps to build trust and strengthen the bond between the two people involved.