Sentence length refers to the number of words in a sentence. It can vary greatly, with some sentences being very short, containing just a few words, while others can be much longer, stretching to several dozen words. Short sentences often convey clear and direct ideas, while longer sentences can provide more detail and complexity. In writing, varying sentence length can enhance readability and maintain the reader's interest. For example, using a mix of short and long sentences can create a rhythm in the text. This technique is often employed by authors and poets to engage their audience effectively.