The Bastet cat is the wife of the warrior Ptah, the physical body. After conquering wild and dangerous Sachmet, he took her home as his wife where she transformed into Bastet, who remained from then on the guardian of domestic life. She is the mundane aspect of Isis. He symbolizes unselfishness, change, agility and communication. It keeps and stimulates the above virtues in the house being used as a door or window decoration.
FOOT stands for truth.
5 is the number of life and thus protects against evil.