The concepts of operational picture and information arena have circulated within the Swedish Armed Forces realm for an extensive period of time, both separately and together. This report presents, compiles and analyzes the different interpretations of what operational picture in the information arena may denote. Opinions are obtained from the literature as well as a number of respondents and it is evident that there are many alternative concepts to the ones given above. Furthermore there are a large number of different definitions of these, which among other things is due to varying perspectives among the definers. As the area develops the current definitions change and even the concepts as such.