Sections covered:

1.1-1.2.4
1.3
2.1-2.1.3
2.2-2.2.3
2.2.4

1.1-1.2.4
primitive expressions
means of combination
means of abstraction
substitution model for procedure application
applicative-order evaluation
normal-order evaluation
special forms
basic scheme procedures
procedures as black-box abstraction
bound variables
free variables
scope
internal definitions
block structure
linear recursion, recursive process
iteration, iterative process
tail-recursion
tree recursion
orders of growth

1.3
higher-order procedures
lambda expressions
procedures as general methods
fixed points of functions
procedures as returned values
procedures as first-class entities

2.1-2.1.3
data abstraction
constructors
selectors
abstraction barriers
message-passing paradigm

2.2-2.2.3
hierarchical structures
closure property of a constructor
list structures
lists
map
sequences as conventional interfaces (functional composition)
enumerators
filters
transducers
accumulators
nested mappings

2.2.4
picture language
painters
frames
meta-operators
stratified design (levels of language)