A custom or established convention — traditional practices or customary ways of doing things within a group or region.
古いしきたりを重んじる家族もいる。
Some families place great importance on old customs.
その会社では入社式のしきたりが厳しい。
At that company, the entrance ceremony customs are strict.
葬式のしきたりは地域によって違うことが多い。
Funeral customs often differ depending on the region.