(faster shutter speed / less light). Aperture (or f-stop) refers to the size of the opening in the lens of the camera when a picture is taken. As you are focusing the camera, the lens is wide open with the largest aperture supported by your lens.
The harvest season typically falls between August & October in the Northern Hemisphere and February & April in the Southern Hemisphere. With various climate conditions, grape varieties, and wine styles the harvesting of grapes could happen in every month of the calendar year somewhere in the world. In the New World it is often referred to as the crush.
Squeeze the limes in your palm. Limes are ready to pick when they give slightly under gentle pressure. A lime that is still hard is not yet ripe and won't be juicy. Pick one lime, cut into it and sample its fruit. If the lime feels heavy for its size and the fruit inside tastes fresh and acidic, it is ready to be eaten.