Dot the i's and cross the t's

The phrase "dot the i's and cross the t's" is an idiom that means to pay attention to all the small details, ensuring that everything is done correctly and thoroughly. It is often used in reference to completing tasks, documents, or projects to make sure no errors or omissions are present. By metaphorically dotting the lowercase letter "i" and crossing the lowercase letter "t," the phrase emphasizes the need to be meticulous and precise in finishing a task.