This work deals with a style of breaking art of the Temprano Formative Period recorded in the precordillera of the Salado river sub-region. The style, called Confluence, is characterised mainly by the detail in which the animals were retreated, specifying attitudes and positions that reveal certain activities. On this basis, an analogy is sought with a register of activities observed in family groups of vicuñas (Vicugna vicugna). The result shows that there are certain activities that were represented, while others were left behind by suggesting that there is internal consistency within style, which would necessarily be related to the socio-cultural context in which the Early formative Period rock-art style is developed in the mountains of the Salado river sub-region. The style, called Confluencia, is continuously discussed by the detail with which it portrays animals and the precision with which attitudes and postures reveal certain activities. On this basis, an analogue is made with a range of activities observed in vicuña family groups (Vicugna vicugna). The results show that certain activities were extended to others were left behind, raising there was an internal coherence to the style, which is necessarily related to the socio-cultural context in which it developed