The manners, customs, and habitual practices of a region or society (including etiquette, ceremonies, and traditional behaviors).
日本の風俗習慣では、お辞儀が礼儀として重視される。
In Japanese customs, bowing is valued as a form of etiquette.
地域ごとに異なる風俗習慣が残っているので、訪問前に調べておくと安心だ。
Because customs vary by region, it's wise to check them before visiting.
祭りや年中行事はその土地の風俗習慣を知るよい機会だ。
Festivals and annual events are good opportunities to learn about local customs.