Vocabulary. You know the word "vocabulary"? The Republican front-runner would like to ensure that you can follow along with his intricate streams of thought. In the interest of your knowing as much about politics as possible, allow us to offer our assistance.

classified

From Trump's speech in Mobile, Ala.:
"Some bad things came out today — you know those classified, you know the word, classified. You know, they have destroyed General Petraeus over less. And nothing seems to be happening here [with Hillary Clinton's e-mails]."

Definition:
adjective
1. arranged in groups with similar things
2. kept secret from all but a few people in the government

expedited

From Trump's interview with NBC's Chuck Todd:
"And we're going to try and bring them back rapidly—the good ones. Rapidly. You know the word expedited? Okay, expedited."

Definition:
verb
1. to execute promptly
2. to accelerate the process or progress of, speed up

illegal

From Trump's interview with Time magazine:
"Illegal immigrants — we’re taking about the illegal. Do you know the word illegal?"

Definition:
adjective
1. not allowed by the law, not legal
2. not allowed by the rules in a game

shrill

From Trump's speech on Wednesday in Charleston:
"Hillary, who's become very shrill— you know the word shrill? She's become shrill."

Definition:
adjective
1. having a very loud, high-pitched sound
2. loud and difficult to ignore but often unreasonable

sucking action

Editor's note: This is two words.
From Trump's speech in Mobile, Ala.:
"And when I hear devaluation of the Chinese currency — you know the word, the sucking action. That’s a sucking like the vacuum cleaner. I hear the sucking action."

Definition (of "suck"):
verb
1. to pull (liquid, air, etc.) into your mouth especially while your lips are forming a small hole
2. to pull on (something in your mouth) with the muscles of your lips and mouth

tone

From a town hall in New Hampshire:
"They said my tone, my tone. Do you know the word tone? Isn't nice. They didn't like my tone. They thought it was too strong."

Definition:
noun
1. the quality of a person's voice
2. the quality of a sound produced by a musical instrument or singing voice
3. a quality, feeling, or attitude expressed by the words that someone uses in speaking or writing