what is -war {path} means in eclipse > Arguments > Program Arguments means in GWT application

as in the attached file, for GWT application using GPE, in the Run Configuration > Arguments > program arguments text box, what is the meaning for -war {path}???
is this mean when I use run as > web application, eclipse treat the [path} in -war {path} as the war folder? (in my case, eclipse use d:\workspace\debugleveldemo\target\DebugLevelDemo-1.0-SNAPSHOT as war folder?)

where is the related -war info can be found?

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