A trace, mark, or sign left behind (e.g., footprints, stains, indications that something was there).
床に泥の跡がついている。
There are mud marks on the floor.
事件現場には不審な跡が残っていた。
Suspicious traces remained at the crime scene.
手に粉の跡が付いている。
There are powder marks on my hands.
A site or remains where something once stood; ruins or the location of former structures (e.g., ruins, former house site).
ここは昔の城の跡だと言われている。
This is said to be the site of an old castle.
台風の跡が町に大きな被害を残した。
The aftermath of the typhoon left great damage in the town.
昔の家の跡地に公園が作られた。
A park was built on the site of an old house.
A scar or mark left after a wound or burn has healed; a healed trace (often written with the character 痕).
子どものころの傷の跡がまだ残っている。
The scar from a childhood injury is still there.
やけどの跡が肌に残っている。
A burn mark remains on the skin.
手術の跡は時間とともに薄くなることが多い。
Surgical scars often fade over time.