https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-8.1-and-8/hh824926(v=win.10)?redirectedfrom=MSDN
WinPE: Add packages (Optional Components Reference) | Microsoft Learn
optional componentswinpeaddpackagesreference
https://kr.mathworks.com/help/sps/ref/currentsource.html
Current Source - Current source with optional DC, AC, and noise components - MATLAB
The Current Source block implements a current source with DC, AC, and noise components.
current sourceoptionaldcacnoise
https://ogrecave.github.io/ogre/api/1.11/group___optional.html
OGRE: Optional Components
ogreoptionalcomponents