LogEventInfo Represents the logging event.

 LogFactory Creates and manages instances of objects.

 LogFactory`1 Specialized LogFactory that can return instances of custom logger types.

 Logger Provides logging interface and utility functions.

 LogLevel Defines available log levels.

 MessageTemplateFormatMethodAttribute Mark a parameter of a method for message templating

 NLogConfigurationException Exception thrown during NLog configuration.

 NLogRuntimeException Exception thrown during log event processing.

 NLogTraceListener TraceListener which routes all messages through NLog.

 NullLogger It works as a normal but it discards all messages which an application requests to be logged. It effectively implements the "Null Object" pattern for objects.

 GDC Global Diagnostics Context

 GlobalDiagnosticsContext Global Diagnostics Context - a dictionary structure to hold per-application-instance values.

 ILoggerExtensions Extensions for NLog .

 LogManager Creates and manages instances of objects.

 MappedDiagnosticsContext Mapped Diagnostics Context - a thread-local structure that keeps a dictionary of strings and provides methods to output them in layouts.

 MappedDiagnosticsLogicalContext Async version of Mapped Diagnostics Context - a logical context structure that keeps a dictionary of strings and provides methods to output them in layouts. Allows for maintaining state across asynchronous tasks and call contexts.

 MDC Mapped Diagnostics Context

 NDC Nested Diagnostics Context

 NestedDiagnosticsContext Nested Diagnostics Context - a thread-local structure that keeps a stack of strings and provides methods to output them in layouts

 NestedDiagnosticsLogicalContext Async version of - a logical context structure that keeps a stack Allows for maintaining scope across asynchronous tasks and call contexts.

 SetupBuilderExtensions Extension methods to setup LogFactory options

 SetupExtensionsBuilderExtensions Extension methods to setup NLog extensions, so they are known when loading NLog LoggingConfiguration

 SetupInternalLoggerBuilderExtensions Extension methods to setup NLog options

 SetupSerializationBuilderExtensions Extension methods to setup NLog extensions, so they are known when loading NLog LoggingConfiguration

 IJsonConverter Interface for serialization of object values into JSON format

 ILogger Provides logging interface and utility functions.

 ILoggerBase Logger with only generic methods (passing 'LogLevel' to methods) and core properties.

 ISuppress Provides an interface to execute System.Actions without surfacing any exceptions raised for that action.

 IValueFormatter Render a message template property to a string