"Sex" is also a distinction of physical gender; and a verb meaning "to determine the gender of"; and a collective term for the members of one or other gender; and an adjective or compound-noun-former used for certain artefacts [e.g. books, films, pictures, &c] concerned with the topic of the distinction between the genders and the physical and intellectual activities thereto concomitant......

You are a confused obscurantist I fear, Mr K. If you would just use the term appropriate to the concept you desire to express, your points would be more firmly asseverated.

~M~