The posing tag is currently being used in far, far more posts besides the ones where a character is "Assuming a particular attitude or position in order to be photographed, painted, or drawn." Which should be expected on a booru; the entire point is to post art, and many of it contains characters who are striking poses, and that leads people to tag posing. Plus, often it's a wash as to whether a character is intended to be posing for a hypothetical artist they're aware of, or they're intended to be posing for some other reason and the art just portrays that.
The name is too misleading. I think there should be more specific tags which are named more in line with what they are intended for, like posing_for_photo & posing_for_painting, and posing ought to be dropped.
I suppose another option would be to change the purpose of posing to cover all instances where a character is intentionally posing for any reason, but that sounds dreadful.
