Simplify the following text for a Grade 7 native English-speaking person.
Original: Rather , the name came about because the Russian word Ð Ñ Ð Ñ Ð 1\/2 Ð Ñ ( krasnaya ) can mean either `` red '' or `` beautiful '' ( the latter being rather archaic ) .
Simplified: Red Square ( Russian : Ð Ñ Ð Ñ Ð 1\/2 Ð Ñ Ð Ð '' Ð 3\/4 Ñ Ð Ð Ñ , Krasnaya ploshchad ) is the most famous city square in Moscow , Russia .