Transition words are words or phrases that help connect ideas in writing. They guide readers through the text by showing relationships between sentences and paragraphs. Common examples include however, therefore, and in addition. These words can indicate contrast, cause and effect, or sequence, making the writing clearer and more cohesive. Using transition words enhances the flow of writing, making it easier for readers to follow the author's thoughts. They can signal a change in direction, emphasize a point, or introduce new information. Overall, transition words are essential tools for effective communication in both academic writing and creative writing.