- Types
	- Distinct words
	- |V|
- Tokens
	- All words
	- N
	- Related quantities
		- Have equations that estimate
- Disfluencies
	- Fragments
		- Broken/half spoken words
	- Fillers
		- Oo
		- Uh
		- May strip
		- May be helpful
			- Speaker may start clause again
- Clitic
	- Part of a word that can’t stand on its own
	- What’re
	- Contractions

# Edit Distance
- Distance between words
- Number of insertions deletions
- Similarity