abstraction
allegory
backdrop
background
brainstorm
challenge
choice
community
complete
concept
copy
design
detail
element
find
fit
graphic
grey
hole
imperfection
important
incompleteness
jigsaw
lack
leadership
match
metaphor
minus
missing
one
organization
problem
puzzle
question
search
shape
shortcoming
sign
space
stand
strategy
support
symbol
symbolic
team
teamwork
texture
together
toy
without