This document provides information about transition signals, which are words or phrases that are used to connect ideas and achieve coherence in writing. It defines transition signals and explains that they signal relationships between ideas. It divides transition signals into three types: sentence connectors, clause connectors, and other connectors. Finally, it provides many examples of different types of transition signals that can be used for purposes such as addition, comparison, contrast, concession, introducing effects or results, and concluding.