Signifier is the image....signified is the concept behind the image

The cast of Signifier and Signified - 2013 includes: LI Hui as Y XI Shengning as K

Signifier (eg red light) is the word or image acoustique that refers to the signified as content part or information (eg do not proceed past this point)

A signifier is a term used in semiotics to refer to a sound, word, or image that represents a concept or idea. It is the physical form of a sign that carries meaning in a language system, creating connections between the signifier and the signified.

In linguistics, a signifier is a sound, word, or symbol that conveys a specific meaning. It is the physical form of a sign that points to a particular concept or idea. For example, the word "dog" is a signifier that represents the concept of a four-legged animal.