French chalk is a type of soft, white, talc-like clay that is often used for markings in sewing and embroidery. However, it is known by a variety of different names, depending on the region or industry in which it is used. Another common synonym for French chalk is tailor's chalk, which is popular among professional tailors. It is also sometimes called seamstress' chalk or tailor's creme, depending on the form it is in. Other synonyms for French chalk include soapstone, craie, and talc. Regardless of the name used, French chalk is a versatile and essential tool for anyone working in textiles and sewing.