Complex sentence: A smoking pipe that is specifically made to smoke tobacco typically consists of a chamber (the bowl) for the combustion of material and a thin stem (shank) ending in a mouthpiece (the bit).
Split into simpler sentences: A smoking pipe is a pipe that is specifically made to smoke tobacco. Typically, it will consist of a chamber (the bowl) for the combustion of material and a thin stem (shank) ending in a mouthpiece (the bit).