there are three ways to break up the flow of writing. . is to start an entirely new subject , is to stay on the same subject ; is somewhere in between, you're s

there are three ways to break up the flow of writing. . is to start an entirely new subject , is to stay on the same subject ; is somewhere in between, you're still on the same topic but have switched focus. another way to think of it is conversationally. a period is a breath, a coma is a pause, a semi is a slightly longer pause.