This document discusses the use of signal words to connect and develop ideas. It provides 10 categories of signal words with examples: 1) words that signal continuation, 2) words that signal changes, 3) words that signal sequence, 4) words that signal illustration, 5) words that signal emphasis, 6) words that signal cause/condition/result, 7) words that signal location, 8) words that signal comparison/contrast, 9) words that signal conclusion, and 10) words that signal approximation. The signal words help guide the reader through the progression of ideas in a coherent manner.