Thread:Support/Add Media Wizard - Add media - unclear variables

What messages the variables stand in the following messages for?


 * mwe-error-not-loggedin-file $1?
 * mwe-upload-once-done $1? $2?
 * mwe-ie-inline-upload $1? $2?
 * mwe-no-import-by-url
 * mwe-not-logged-uploads $1? $2?
 * mwe-warning-upload-to-commons $2?

And which message follows message mwe-i-would-like-to?