Anthropologists often take recourse to the word “world” as if its meaning were selfevident, but the word remains highly ambivalent, often extending its meaning in a perilously polysemic fashion. So, the question of “what world are we engaging?” imposes itself, particularly as it leads to another important question: are there “worlds”? This latter question raises some of the fundamental perplexities that have haunted anthropological theory throughout the past century. In this series of two articles, I propose to abandon the established dichotomy between rather crude forms of realism and equally crude forms of semiotic idealism. I sustain that we cannot discuss world without considering for whom, but that this is fully compatible with...