A continuum is a concept in mathematics and philosophy that describes a continuous sequence or range of values without any gaps or interruptions. It can refer to various phenomena, such as the number line, where every point represents a real number, or the color spectrum, where colors blend smoothly into one another. In a broader context, a continuum can also apply to social or psychological concepts, like the continuum of care in healthcare, which emphasizes the importance of providing consistent support throughout a patient's journey. This idea helps to illustrate how different states or conditions can exist on a spectrum rather than as distinct categories.