Studies of Discourse Markers so far have concentrated on either the descriptive or the theoretical parameter. This book brings together thirteen papers concerning aspects of lexical instantiations of Discourse Marking devices, ranging from functional descriptions along cognitive, attitudinal, interactive and structure signalling lines to theoretical issues arising from various properties discourse markers display cross-linguistically. Data from English, Finnish, Hebrew, Korean, and Japanese are examined. Also addressed are questions concerning overall accounts, potential sub-classifications, p