aim
analyze
attention
business
center
challenge
complete
concentrate
concept
connection
construction
control
creative
determination
difficulty
examining
focus
game
glass
goal
idea
important
jigsaw
lens
look
magnifying
message
missing
part
patience
pattern
pieces
play
precise
puzzle
research
search
solution
solve
strategy
study
success
target
text
tool
toy
vision
word
yellow
zoom