Altar candles are candles placed on an altar during religious services or ceremonies. They symbolize the presence of the divine and are often used in various faiths, including Christianity, Judaism, and Buddhism. The lighting of these candles can represent prayer, devotion, and the illumination of spiritual truth. Typically made from wax, altar candles come in various sizes and colors, each carrying specific meanings. For example, white candles often symbolize purity, while red candles may represent the Holy Spirit. The use of altar candles enhances the atmosphere of worship and serves as a visual reminder of faith.