the signposts marking a road, place, etc. 路标: 标记道路,地点等的路标。There is a lack of signposting on these roads. 这些路上缺少路标。
the process of showing clearly the way that an argument, a speech, etc. will develop 介绍(论证、讲话等的)要点 The presentation needed clearer organization and signposting. 演示需要更清晰的组织和路标。