What is keyholder captions?

Keyholder captions are short sentences or phrases that are used to describe an image or video of a person holding or displaying a key. These captions are often used to indicate the importance or significance of the key to the person holding it. For example, a caption might read "The key to my heart" to indicate that the person holding the key is someone special to the person viewing the image. Keyholder captions can also be used to represent power, control, or ownership over something or someone, as the key is a symbol of access and authority. These captions are commonly used on social media platforms such as Instagram or as part of online marketing campaigns.