There are mitre saws that cut at various angles with the blade vertical. Compound mitre saws add the ability to tilt the blade as well. Mitre saws & compound mitre saws pivot in a vertical-oriented arc to cut the material. A sliding compound mitre saw adds the advantage of a radial arm saw to the mix, meaning you pivot the saw down first, then push it forward through the material. Sliding saws can cut much wider stuff.