This study explores the ontological assumptions of mapping as active processes, rather than passive representations and discusses the need for pragmatic guidelines in map-making, as maps only acquire meaning through their users’ minds and bodies. The paper presents historical examples of Italian colonial topographic mapping of the southern Libyan Desert during the 1930s. It emphasizes the interconnected histories of geographical exploration, social and cultural contexts, and technical practices. The paper argues that the ‘empty spaces’ on maps reflect intentional choices made by cartographers, not insufficient data. The performative nature and diverse sociocultural conditions of maps need to be considered to understand their meaning and use.