とうしょ投書tousho
1.

The act of writing and sending a document that expresses one's opinions, requests, or complaints to an organization or publication, often for public consideration or response.

2.

A specific written communication directed to a newspaper or public institution, intended to convey personal viewpoints or grievances, which may be published for wider public engagement.

3.

A form of correspondence by which individuals communicate their thoughts or concerns to relevant authorities or media, contributing to public discourse.

4.

A written submission that can accompany public commentary, typically addressed to media outlets or community organizations, allowing citizens to articulate their perspectives.

とうしょばこ投書箱toushobako
1.

A receptacle where individuals can submit their thoughts, opinions, or suggestions, typically used to gather feedback in public or organizational settings.

2.

A container designated for collecting grievances or criticisms from the public or specific groups, often intended to improve services or address issues.

3.

An anonymous submission point that allows people to express their concerns or propose ideas without revealing their identity, fostering open communication.