Maximum Separation(the period, question mark, and exclamation mark)

Example: I looked up. And there she stood.



Medium Separation, Emphatic (the dash)

Example:I looked up---and there she stood.



Medium Separation, Anticipatory (the colon)

Example:I looked up: And there she stood.




Medium Separation (the semicolon)

Example:I looked up; and there she stood.



Minimum Separation (the comma)

Example:I looked up, and there she stood.



Zero Separation

Example:I looked up and there she stood.