Note: Only certain licenses have access to Onedrive
Onedrive can be accessed on either www.office.com or File Explorer
You can manage and organize content as you may see fit.
Microsoft has detailed tutorials if you want to know more about Onedrive: Microsoft OneDrive tutorials
Create files and or folders(online version)
Delete or restore deleted files
Note: You can use one drive on File Explorer(2nd image). To share files and folders, right-click the file/folder and click "Share"