Southern Ndebele prior and during the 18th century primarily used their expressive symbols for communication, it is believed that these paintings are a synthesis of historical Nguni design traditions and Northern Sotho "ditema" or "litema" tradition(s). They also began to stand for their continuity and cultural resistance to their circumstances during the colonization in the 19th century. These wall paintings done by the women was their secret code to their people, disguised to anyone but the Southern Ndebele. The vibrant symbols and expressions portray communications of personal prayers, self-identification, values, emotions, and marriage, sometimes the male initiation but the ritual was not expressed. Religions have never been a part of the Southern Ndebele's house paintings. The women of the Southern Ndebele are often the tradition carriers and the main developer of the wall art of their home. The tradition and style of house painting is passed down in the families from generation to generation by the mothers. A well-painted home shows the female of the household is a good wife and mother. She is responsible for the painting of the outside gates, front walls, side walls, and usually the interior of her home. One thing that has changed since the beginning of the paintings and the present-day wall art is their styles. In the late 1960s, the new style was evident, what was once a finger-painted creation was now created using bundled twigs with feathers as brushes. The walls are still originally whitewashed, but the outlines and colours have significantly changed.