The mention of actual people in the concluding remarks can best be described as . supporting evidence
tangential facts
literary embellishment
thematic connections

The mention of actual people in the concluding remarks can best be described as:

Let's understand what supporting evidence is all about.

Supporting evidence refers to the statement or fact that actually proves that a particular statement or claim is true. It can be in a summarised form or paraphrased form.

To include or mention the names of actual people in the closing remarks is a way of adding a supporting evidence.

Learn more about supporting evidence on link

the answer is mary made mudpies on monday.

remember alliteration is the occurrence of the same letter or sound at the beginning of adjacent or closely connected words.  

the red coloration of the lungs looks alarming and adds to the overall message that the flu is threatening apex