soooo let me see if I understand this

In order for me to attach a Word doc to an email from my iPad, I have to send the Word doc to ICloud Drive, but it won't go to ICloud Drive without first downloading OneDrive, so I download OneDrive, but now my Word doc is stuck in OneDrive and for reasons unknown to me at 7:26 in the morning with just one cup of tea, I can't copy the Word doc from OneDrive to ICloud Drive so I can attach to this Word doc to an email...