Many techniques are available for elicitation and refinement of requirements . However, these require face-to-face interactions that are expensive in time and often require co-location. For these reasons, crucial interactions between end-users and requirements analysts may not even happen. In these situations, other techniques that do not require face-to-face interactions, such as questionnaires, are used. Combining communication with reference to an artifact can facilitate communication by allowing “design by doing” [ 11. Moreover, Glenberg and McDaniel have noted that integrating spatial and linguistic information is a requirement for effective communication [ 2 ] . Others have also used a combination of visual and textual information. HOSS uses visual design artifacts as the focus for communication . VKB uses visual objects for information organization and interpretation [SI.