An octa is not a term or concept that is commonly used or recognized. However, "octa-core" is a term used to describe a type of processor that has eight separate processing units. This is in contrast to a "quad-core" processor, which has four processing units. Octa-core processors are generally faster and more efficient than quad-core processors, as they can handle more tasks simultaneously. However, they can also be overkill for routine tasks.