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.
Through exposure. If your outside shooting on hot sunny day your picture might be over-exposed if you shoot an image with an f-stop/aperture of a about f/2-f/4. You can change your f-stop to about f/32 for less light to enter through the lens and to decrease light. Shutter speed also has a major part of exposure.