A: observations – descriptions – remarks

B: elliptical grammar

C: questions

D: instructions – directions

E: sound – noise – rhythm

F: lists

G: holes – gaps – blank spaces

H: montages – cuts – fractures

I: rules – patterns – axioms

K: synonymes – repetition and difference

L: cause and effect – reason and consequence

M: Numbers and signs

N: blow–ups

O: site-specific