It's nothing. It's all, yet, that comes to mind first when one reads the name "Homer".
Whether it appears but to keep the hexameter easily (and should be lost in translation); whether it indicates direct speech; whether it hints at puzzlement; or whether it expresses urgency: "winged words" does appear 124 times in Homer's Iliad and the Odyssey.
Whether it is for urgent events or just to keep track and rhythm easily, if you turn emails into calendar events about 128 times a day, what can come to find fast is clicking in the right place in Postbox:
›› Dinner tonight at 7? If the date and time is in an email, Postbox can recognize it and help you turn it into a calendar event without much of your effort.