The "first point of Capricorn," also known as the "winter solstice point," refers to the exact moment when the sun is at its southernmost point in the sky. There are a few synonyms for this point, including the "tropic of Capricorn" and the "southern solstice." It marks the beginning of the winter season in the Northern Hemisphere and the summer season in the Southern Hemisphere. This astrological event has been observed and celebrated by various cultures throughout history, including the ancient Incans and the Celts. Today, it is still a significant moment for many people who follow astrological and spiritual practices.