This refers to a post that is about a certain philosophy. Many posts, if not all posts, might be considered to //represent// or //adhere// to some philosophy or have some philosophical viewpoint - however if it's **tagged** with **#philosophy** that means the post itself is //about// a certain philosophy, and not just containing a certain philosophical point of view. Hope that makes sense... as always, this could use re-wording by anyone else using the ~~wiki...