Plastids are essential organelles in plant cells that are responsible for important biological processes such as photosynthesis and storage of vital plant products. While the term plastids is widely used, there are several other terms that are synonymous with plastids. These include chloroplasts, amyloplasts, chromoplasts, and leucoplasts. Chloroplasts are plastids responsible for photosynthesis, while amyloplasts store starches and chromoplasts are responsible for pigment production. Leucoplasts, on the other hand, are colorless plastids that are responsible for storing lipids, proteins, and carbohydrates. Understanding these various synonyms for plastids is crucial for understanding the many functions and processes that go on inside plant cells.