distinct
clean-cut
clear
clear as crystal
clear as day
clear-cut
coherent
connected
consistent
conspicuous
crisp
crystal-clear
crystalline
defined
definite
direct
evident
explicit
express
glaring
in focus
limpid
loud and clear
lucid
luminous
obvious
patent
pellucid
perspicuous
plain
prominent
pronounced
simple
staring
straightforward
translucent
transparent
transpicuous
unambiguous
unconfused
unequivocal
univocal
unmistakable
well-marked
well-pronounced
well-resolved
central
concentric
distinctive
geographical
linear
logical
organizational
respective
structural
symmetrical
unify