Ethos
An appeal that relies upon the character of the rhetor or the character of another
Pathos
An emotional appeal; moving your audience by getting in touch with what they value
Logos
Rational appeal; the truth of the word
Arrangement
The order in which the content is organized for a communication (think five-paragraph essay); genre
Invention
The process of coming to the content we are going to communicate; rhetors have debated whether this is a process of developing knowledge or not.
Heuristics
Strategies for developing knowledge often through investigation, especially useful in local contexts
Style
The signs-often words-one chooses for communication
Memory
The pedagogy for remembering what one will state during a given communication
Delivery
The process of relating the word to the given audience; often understudied, but becoming more important in an electronic age