Those words is the Nunit-Console.exe`s help

NUNIT-CONSOLE [inputfiles] [options]

Runs a set of NUnit tests from the console.

You may specify one or more assemblies or a single
project file of type .nunit.

Options:
/fixture=STR         Fixture to test
/config=STR          Project configuration to load
/xml=STR             Name of XML output file
/transform=STR       Name of transform file
/xmlConsole          Display XML to the console
/output=STR          File to receive test output (Short format: /out=STR)
/framework=STR       .NET Framework version to execute with (eg 'v1.0.3705')
/err=STR             File to receive test error output
/labels              Label each test in stdOut
/include=STR         List of categories to include
/exclude=STR         List of categories to exclude
/domain=X            AppDomain Usage for Tests
/noshadow            Disable shadow copy when running in separate domain
/nothread            Disable use of a separate thread for tests
/wait                Wait for input before closing console window
/nologo              Do not display the logo
/nodots              Do not display progress
/help                Display help (Short format: /?)

Options that take values may use an equal sign, a colon
or a space to separate the option from its value.

as this helps we can use Nunit Test in Console Application.
the Cammand is:
NUNIT-CONSOLE "Filepath of Test Unit" /fixture="Your Test Unit Class"