What term collectively refers to all possible fiber topologies connecting telecom or cable services to customers?

The term "Fiber to the X" (FTTX) is used to collectively describe all possible fiber optic network architectures that connect various end-users, such as homes, businesses, or other locations, to telecom or cable services. This designation allows for a flexible categorization of fiber deployments based on their specific end points, such as Fiber to the Home (FTTH), Fiber to the Premises (FTTP), and Fiber to the Office (FTTO). By using 'X' in the terminology, it symbolizes that it can refer to any destination where fiber optics can be delivered, thus encompassing a wide range of applications and scenarios in fiber optic networking. This flexibility is crucial for understanding how different fiber optic services connect to end-users in various environments, making "Fiber to the X" the most comprehensive term among the options provided.