The answer is, something the reader has experienced
<em>the other term for this is <u /><u>sparsely populated..
</u>mean the area under observation does not have enough crowd or people... they may be audience in a cinema or public or citizens in a city...<u>
</u></em>
Start with a good intro sentence like “To sum it up” or “You put it in a nutshell”. Then restate your claim from the intro paragraph