According to laozi what is Dao

According to Laozi, Dao is the fundamental concept in Taoism and represents the ultimate principle or reality. It is often translated as "The Way" or "The Path." Dao is the force that governs the universe and all natural phenomena. It is described as being ineffable, formless, and limitless. Laozi believed that one should align oneself with the Dao in order to achieve harmony, balance, and inner peace.