To finish off, press the tick icon [in the right hand list] to upload
Note
Once recorded if unhappy and want to record again, go ahead and press the record button. This will overwrite the existing recording.
Manually Trim Recording
Click from the part you want to trim and drag to the left or right
Press the Delete icon [in the left icon list]
Note
To reduce to selection, select the core part of the recording (press play to listen to just that selected snippet) then on the right hand list of icon press the icon Reduce to selection. This removes anything from the left and right.