Dalet is the fourth letter of the Hebrew alphabet, representing the sound "d." In Hebrew numerology, it has a numerical value of four. The letter is often associated with concepts of humility and the idea of a door, symbolizing opportunities and pathways. In Jewish tradition, Dalet is sometimes linked to the idea of seeking knowledge and understanding. It appears in various religious texts and is used in the context of prayer and study. The shape of the letter is distinctive, resembling a triangle with a vertical line, which contributes to its unique identity within the alphabet.