"abstraction" - key terms from Wikipedia

abstraction
abstraction by layering
abstraction class
abstraction from the human form
abstraction layers
abstraction principle
abstraction specific
century abstraction
control abstraction
data abstraction
geometric abstraction
hardware abstraction layer
lambda abstraction
level of abstraction
level of abstraction describes
levels of abstraction
lyrical abstraction
physics abstraction layer
post painterly abstraction
recursive abstraction
refined abstraction
total abstraction
visual abstraction