Switch to the waveform view. Open your exported multitrack file.
Click to place your cursor at the beginning of a segment which should ultimately be a new file.
Pro-Tip: use CTRL-MouseWheel to zoom in and out of the mouse pointer's postion.
Pro-Tip: click & drag the Blue indicator at the top of the cursor line to scrub audio back & forth
Image Modified
Select the Markers Tab. Click the New Marker Button Image Modified or type "M" to create a marker.
Image Modified
Double-click the newly-created marker in the Markers Tab to rename it.
Pro-Tip: There is no option to number your files on export so if you need the output files to be in a particular order which isn't alphabetical, be sure to number them in the marker names (ex: 1-Circus, 2-Diadem, 3-Apple).