The term "No. 2" or "Second" refers to the position that follows the first in a sequence. It is commonly used in various contexts, such as ranking, numbering, and ordering. In competitions, the individual or team that finishes in second place is recognized for their achievement, often receiving a silver medal. In everyday language, "second" can also denote a unit of time, equal to one-sixtieth of a minute. Additionally, it is used in phrases like "second opinion," which refers to seeking advice from another expert, often in fields like medicine or law, to confirm a diagnosis or decision.