Direct: the author tells you the trait of the character.
How remarkably well you are looking to-day.
Speech: what does the character say? How does the character speak?
Come, we will go back. You're health is precious.
Enough! The cough's a mere nothing; it will not kill me. I shall not die of a cough.
Thoughts: What does the character think about issues? What does the character feel about issues?
I might hearken to satisfaction.
"I was so pleased to see him..."(1) Montresor is happy he bumped into Fortunato.
Effect on others: How do others respond to the character? What do others think about the character?
A sign. A sign.
"Come," I said, "we will go back; your health is precious."(3) Montresor is devious because he pretends to care about Fortunato- but he is lying- he just wants to kill him.
Actions: What does the character do? How does the character behave?
My dear Fortunato, you are luckily met."
"The noise lasted for several minutes, during which, that I might hearken to it with more satisfaction..." (6) Montresor is ruthless/sadistic because he enjoys the suffering of Fortunato.
Looks: What does the character look like? How does the character dress?
"...producing from beneath the folds of my roquelaire a trowel." "You jest," he exclaimed, recoiling a few paces. "But let us proceed to the Amontillado."(5) Fortunato thinks that Montresor is a joke for showing him the trowel as a sign of being a mason.
It is this.
"I was so pleased to see him that I thought I should never have done wringing his hand."(1) Montresor is excited that he ran into Fortunato and can start his revenge.
"putting on a mask of black silk and drawing a roquelaire closely about my person"(2) Montresor is clever. Having wore all black not wanting to be noticed and wore a black mask not wanting to be recognized.