Convert aff to fig

What is the difference between .aff and .fig?

Description: Developed in 1980 by the Acorn Draw Program, aff format is meant for vector image visualization. It mainly stores publishing information such as brochures, flyers, logotypes, etc. because of it's high-quality images when printing.; This is a file used for creating line plots in the form of vector images. They include text objects, splines, forms, arcs, lines and arrows. It can contain a set of colors, images and sketches. It was initially developed for the Xfig drawing program, but today it’s used in other drawing editors.