Meaning – The term run time, refers to the time period during which a computerprogramis executing. A run-time environment is an execution environment.
Runtime is a technical term, used most often in software development. It is commonly seen in the context of a “runtime error,” which is an error that occurs while a program is running. The term “runtime error” is used to distinguish from other types of errors, such as syntax errors and compilation errors, which occur before a program is run.
When a program is in the runtime phase, the application is loaded into RAM. This includes the executable file and many libraries, frameworks, or other files referenced by the program.
Example of usage – “Run time is part of the program life cycle, and it describes the time between when the program begins running within the memory until it is terminated or closed by the user or the operating system.”