20
80
analysis
background
board
business
closeup
color
compare
concept
conceptual
design
economic
education
efficiency
effort
eighty
factor
few
graph
inequality
law
majority
management
market
metaphor
minority
nobody
numbers
pareto
percentage
percents
presentation
principle
productivity
profit
proportion
quality
representation
result
rule
sparsity
success
twenty
vital
white
written