The three types of loose coupling are:1 pointContent; Common; ExternalData; Message; Data StructureControl; Data Structure; LooseData; Message; None

The text you provided seems to be incomplete or not properly formatted, making it difficult to provide a clear answer. However, in the context of software design and systems theory, loose coupling often refers to reducing the inter-dependencies between different components of a system.

Here are three types of loose coupling that are commonly discussed:

1. Data Coupling: This is the loosest type of coupling. It occurs when one component communicates with another by passing data (for example, parameters) but no reference to itself.

2. Message Coupling: This is a type of coupling where the components communicate by sending messages to each other. This is common in event-driven systems.

3. Control Coupling: A component that controls the flow of another by passing it information on what to do (for example, passing a control flag).

Please provide more context or clarify your question if you were referring to a different concept or type of loose coupling.