How is algorithm and program similar and different?

An algorithm is a step-by-step procedure or formula for solving a problem or performing a task, while a program is a specific implementation of one or more algorithms written in a programming language that a computer can execute. Both aim to provide solutions or automate processes, but an algorithm is more abstract and can exist independently of any programming language, whereas a program is concrete and requires a specific syntax to function. Additionally, multiple programs can be based on the same algorithm, showcasing the relationship between the two.