| (1) | Syntax | Discourse |
| a. vocabulary | syntactic (NP, VP, etc.) | information structure (given new, main assertion) |
| b. structure | fully hierarchical | partly hierarchical (modal contexts, telescoping, etc.) |
| c. domain | within sentence | across sentence |
| d. salience | low in tree/recent | “high” (due to information structure) |
| e. islands | sensitive | insensitive |