ひょうしき標識hyoushiki
1.

A designated marker or sign used to indicate specific information or guide individuals, often seen in contexts like roads or transportation.

2.

An item attached or implemented to differentiate or identify a particular substance, providing distinct characteristics that set it apart from others.

3.

An indication or symbol used for guidance or to denote locations, often employed in various fields such as aviation and traffic management.

Example:

彼らはその標識を壁に取り付けた。

どうろひょうしき道路標識dourohyoushiki
1.

A type of sign or display placed at key points on a roadway to communicate important information regarding traffic rules, directions, warnings, or regulations to ensure the safety and convenience of travelers.

2.

An essential visual aid found along roads that helps guide drivers and pedestrians by providing instructions or warnings about the conditions of the road and the regulations that must be followed.

3.

A designated marker on roadways that conveys critical information necessary for navigating traffic, including indications of speed limits, upcoming conditions, or necessary precautions for safe travel.

Example:

この霧では道路標識は見えない。

こうつうひょうしき交通標識koutsuuhyoushiki
1.

A visual indicator installed along roadways that conveys important information or regulations to drivers and pedestrians for maintaining safe and orderly transportation.

2.

A symbolic representation on a post or pole that guides road users by providing warnings, instructions, or information about specific rules and conditions of the roadway.

3.

A designated marker placed at various locations to communicate essential directions or prohibitions, aimed at preventing accidents and ensuring smooth traffic flow.