Gas cooktops are fitted with burners, usually including a simmer burner for gentle cooking. Many gas cooktops also provide optional burner types, such as wok burners. Available in gas.
These lightweight, coil-like elements are designed to heat quickly and be cleaned easily. Generally, thicker elements will heat faster and last longer than thinner elements. Available in electric.
Smooth top elements
These ceramic glass elements provide almost instantaneous heat. They can also sit perfectly flush with the surrounding benchtop, so they're unobtrusive and easy to clean. Available in electric.
If you want a neat appearance to your cooktop, solid elements may be the answer. While slower to heat than other options, they provide a constant, even heat that's perfect for simmering. Available in electric.