This page lists all the recordings. The recordings are named using the pattern rec-[date and time of the recording].m4a
There are 2 ways recordings are created.
When recording is started, it can be terminated anytime in two ways:
To play a recording, tap on a recording, then tap 'Play' on the Action sheet displayed at the bottom of the page.
To delete a recording, tap on a recording, then tap 'Remove' on the Action sheet displayed at the bottom of the page.