Hemi-cycles are an interesting architectural feature that can be found in many buildings, both old and new. Essentially, a hemi-cycle is a semicircular or almost semicircular area that is usually used as a decorative element or for seating. There are many different synonyms for hemi-cycles, depending on the specific characteristics of each one. Some of these include: apses, niches, alcoves, rotundas, half-domes, vaults, arches, and curves. Each of these terms can be used to describe a different style of hemi-cycle, ranging from more classic and traditional to more modern and minimalistic. Overall, hemi-cycles add an interesting dimension to buildings and can be used in a variety of ways to achieve different design effects.