Shounen vs Harem

I know this is a weird question, but what is Shojo, Shounen, Harem, Josei- terms like

Best Harem Manga With No Anime Adaptations

Anime Genres Explained

The Shounen Hero (Male Reader X Shounen Harem!) - Harem!!!!!!!!!!!!! - Wattpad

Wallpaper Minimalism, Shounen, harem, akagi, Loli, Harahai, Caga, Loli for mobile and desktop, section прочее, resolution 1920x1200 - download

Generic Harem Caraniel's Ramblings

Shounen vs Harem

Top 30 School/Harem/Fantasy Anime Where The Main Character Is Surrounded by Many Girls

USED Isekai Meikyuu de Harem wo vol.1-8 Japanese Language Comics Set Shounen Ace

Does anybody knows a harem shounen ai/ Yaoi manga

The Shounen Hero (Male Reader X Shounen Harem!) - Harem!!!!!!!!!!!!!!!!!! - Wattpad

What is the difference between shonen and seinen? - Quora

The New Mission Of The Eccentric Organization: Shounen Harem Manga Vol. 3 by renee simpkins

Merryweather Media on X: Shounen Protagonist vs. Harem Protagonist! / X