1: a specified amount of time2: a window of time that a woman experiences agony in their unchartered territory and can last long, usually noticed by blood stains because the vagina is leaking blood3: ... a dot terminating the sentence

1: there's only a period of time before some strange thing happens2: Why is there blood coming out of me? i did not cout myself... oh shit... my period... ... ... ...AUGHHHH!!!3: WHY THE FUCK DO I NEED TO EXPLAIN THAT A PERIOD IS A SIMPLE DOT !?!