noun
suitability; each to their own
Often used in the pattern 向き向きがある or 向き向きだ to mean that different things suit different people; implies individual appropriateness rather than universal fitness.
仕事には向き向きがあるから、自分に合ったものを選びたい。
There is suitability in jobs, so I want to choose one that fits me.
趣味は人によって向き向きだ。
Hobbies suit different people differently.