Modern psychology is characterised by its interest to a topic of context, based on a growing influence of changing reality’s factors. In connection with this, the actual task is a conceptualisation of a context as a differentiation of basic units of its description. Modern psychology proceeds from multidimensionality of human existence world. The article describes situational, vital and existential contexts presented in different fields of psychology. The situational context has the oldest traditions of its description in psychology, related to search of explanatory models of relations between situational and personal determinants in human behaviour. In the situational level studies, a reality is reduced to a specific situation, a concept o...