A signature aspect of the Diwali festival celebrated by Hindu families worldwide is the lighting of oil lamps or diyas. This practice symbolizes the triumph of light over darkness and the victory of good over evil, reflecting the central theme of the festival. Houses are adorned with these lamps, along with vibrant rangoli designs, creating an ambiance of joy and positivity. Families also engage in prayers and celebrations that involve sharing sweets and gifts, fostering close bonds within the family and community.