Explain the difference between a comma splice and a run-on sentence.

In hard times by charles dickens, the scene in which the characters discuss the depiction of horses on wallpaper and flowers on carpets is the author’s way of showing the absurdity of

Aman lives on the twelfth floor of an apartment building. every morning he takes the elevator down to the lobby and leaves the building. in the evening, he gets into the elevator, and, if there is someone else in the elevator -- or if it was raining that day -- he goes back to his floor directly. otherwise, he goes to the tenth floor and walks up two flights of stairs to his apartment.

If you wanted to figure out a topic and some details about that topic you would want to use a ?