noun
needle; hand; pointer; indicator
Physical pointer on a measuring instrument such as a compass, gauge, or clock.
コンパスの指針が北を指している。
The compass needle is pointing north.
時計の指針がちょうど12時を指した。
The clock's hands pointed exactly to 12 o'clock.
noun
guiding principle; guideline; guide
Abstract standard or direction for action, policy, or thought. Often used in formal or organizational contexts.
この計画は会社の経営指針に沿っている。
This plan follows the company's management guidelines.
人生の指針となる言葉を大切にしている。
I cherish words that serve as a guiding principle in life.
指 (finger, point) + 針 (needle). Originally referred to a physical needle that points, then extended metaphorically to a guiding principle.