What does the fifth house in astrology represent?

The fifth house in astrology is known as the "children's house" and represents creativity, as well as one's attitude towards love.
The fifth house is related to games and entertainment, symbolizing romantic relationships between men and women, stock market speculation (investment), leisure and entertainment, children, and even creative talents. The fifth house is the Joy house of Venus, which is the natural symbol of love. This arrangement aligns perfectly with the symbolic meaning of the fifth house. Since the fifth house represents creativity, it also represents the house of children, and relates to having children. Therefore, if a planet falls into this house, it can show one's attitude towards love and also predict their view on children. Of course, if a malefic planet falls into this house, there may be significant difficulties in love.

Which are the water signs?

Water signs: Cancer, Scorpio, and Pisces!
Cancer: The basic, water sign Cancer presents the most simple and fundamental form. Cancer values emotions greatly and is good at protecting itself and others, just like a crab that always seeks a hidden place to live, and is very sensitive to intrusions from outsiders.
Scorpio: The fixed, water sign Scorpio deeply demonstrates the power of water and effectively controls it. People born under Scorpio usually have clear goals and know how to achieve them. Although they are a rather social and group-oriented sign, they also have strong personal opinions.
Pisces: The mutable, water sign Pisces sometimes shows excessive flexibility and accommodation. Their introverted and profound attitude is their greatest charm. Faith and spirituality are very important for their emotionally rich and sensitive nature.