In Harry Potter, the main character is considered unique because he has a lightning scar on his forehead. He is also an orphan. Because of this, he lives with his aunt and uncle that don't love him and treat him badly. He lives in the cupboard under the stairs at his aunt and uncle's house. Lastly, the most unique thing about him is that he is a wizard that attends Hogwarts.
a slight amount or degree of difference; "a tad too expensive"; "not a tad of difference"; "the new model is a shade better than the old one" tad small indefinite amount
The brain is the most vital organ in the human body because they're more developed than the brains of other animals. However, humans have traits that other animals don't, such as, the ability to think, ability to invent new ideas, and ability to remember.
Odysseus uses his intelligence over strength to 'fight' through tough times and bring himself home to Ithaca. Odysseus uses his intelligence when he has his men tie him down while passing the Sirens, so he himself will be able to hear their beautiful song, but not be entranced by their singing