Usage patterns
〈物〉を媒体として使うto use something as a medium
This app is used as a medium for conveying information.
〈物〉という媒体を通じて〈事〉を伝えるto convey something through the medium of X
The news was conveyed through the medium of television.
媒体に記録するto record (data) onto a medium
I recorded the data onto a USB drive medium.