Cultures all over the world incorporate cumin into their cuisine, and it's often mixed with other spices for curry and taco seasoning. These recipes show how cumin's earthy flavor enriches everything from guacamole to vegetables to meat.
As with the shutter speed, the aperture also affects the sharpness of your picture, but in a different way. Changing the aperture changes the depth of field, the depth in a scene from foreground to background that will be sharp in a photograph.
Aperture: controls the area over which light can enter your camera. Shutter speed: controls the duration of the exposure. ISO speed: controls the sensitivity of your camera's sensor to a given amount of light. One can therefore use many combinations of the above three settings to achieve the same exposure.