The important settings you should consider modifying include flash mode, shooting format style, autofocus recognition style, export quality, and color bit depths such as 16-bit depth images.
Right shutter speed for shooting depends on the subject and the lens focal length. Simply put, if you are shooting a slow-moving object, your camera shutter speed is lower compared to a fast-moving object.
aperture is the opening in a camera lens that controls how much light reaches the sensor. There are various aperture settings available to select when shooting for stills or video.