The term "vault" has several meanings, depending on its context.
1) In a physical sense, a vault is an arched structure that spans a space such as a roof or ceiling, typically forming a curve along one axis and often supporting the weight of another structure above it. It can also refer to a secure storage facility with thick walls and heavy doors designed to protect valuable items from theft or damage.
2) In sports terminology, particularly in gymnastics, vault refers to a physical exercise where an individual runs and jumps onto a springboard before launching themselves over a bar and landing on a mat.
3) In finance, a vault is a secure storage facility for valuable items such as cash or securities, often used by banks or other financial institutions.
4) Finally, in the context of computer security, a vault refers to an encrypted folder or file where sensitive information can be stored and protected from unauthorized access.