Clarity: meaning being clear about something
Unity: meaning to unite and join together as one
Coherence: the quality of being logical or consistent
"Never again. I am not going to do that because things always turn out in a way that is not how I think they are going to turn out" This person is clear about their statement so they fall under the Clarity column you are correct!
"Gambling seems like fun, but it is a terrible idea. Some people can lose all of their savings. The odds are against players. If the casino lets people win, they would go out of business. Some people like it." This person said a logical statement thus it is coherence column
"EVERYONE should take a cross-country road trip. Working too much is bad for you. Road trips are an American tradition and a great way to see a lot of beautiful places." This statements refers for everyone to unite it goes under the unity column
"There are a few reasons I love cooking. I cut my finger once, but it was not that bad. I love being creative. I love using my hands. And I love feeding my friends this goes in the clarity column because you are being clear about cooking
Hope this helps :)