What is difference between Fresnel and Fraunhofer diffraction?

For Fraunhofer diffraction to occur

In Fresnel's class of diffraction the

Write two points of difference between interference and diffraction pattern of light.

What is Fresnel diffraction?

In the Fraunhofer class of diffraction

The centre of the diffraction pattern in Fraunhofer diffraction is always

Find the ratio of the intensities of the secondary maxima to the intensity of the central maximum for the single slit Fraunhofer diffraction pattern.