Signature fonts are fonts designed to imitate the look and feel of a person's signature. They are often used in digital documents to add a personal touch, making the document appear more professional and authentic. Signature fonts can vary widely in style, from simple and elegant to more elaborate and ornate designs. They are popular for use in email signatures, online documents, and even in branding and logo design. Signature fonts can be created by handwriting the letters and then digitizing them, or by using specialized software to generate a unique signature font based on a person's handwriting style.