iseesigils:

‘The World of African Diasporic religions has manifested a rich legacy of sacred ground drawings that are created in the process of ritual using flour, gunpowder, cornmeal and chalk.

These ritualized drawings are called “veves” in Afro-Haitian Vodun,“anafouruana”
in Afro-Cuban Abakua, “firmas” in Afro-Cuban /Palo Myombe Lucumi and “pontos riscados”(pronounced “pawn-toes his-cah-doe”) in Afro-Brazilian Umbanda…’

http://www.duanedeterville.com/Duane_Deterville/Selected_Essays_files/Drawing%20Down%20Spirits%20Web%20version.pdf