1. 程序：
程序，顾名思义，就是为在单一平台上工作而开发的简单指令集，通常由计算机程序员使用 C++、 Java、 Python等编程语言编写。
2. 应用：
顾名思义，应用程序只是为最终用户执行特定任务并实现其目的而设计的应用程序，并且可以操作文本、数字、图形、音频以及这些元素的组合等。
程序与应用程序的区别：
| Program | Application |
|---|---|
| Programs are collection of instructions executed by computer. | Application are programs designed for end users. |
| It is used to provide ability to computer and user to perform specific tasks on computer. | It is used to allow user to perform various coordinated activities, functions, operations. |
| Programs are important for computer because without programs, computer will not be able to do anything else other than just operating system software. | Applications are important because it allows customer to interact with services and product through app. |
| All programs are not apps. | All Apps or applications are program. |
| Programs are designed to support or help computer execute or perform particular task for benefit of user. | Applications are designed to help user to perform activity. |
| Programs usually requires installer that contain essential files for it to get installed on computer. | App does not require any installer, user can download it from internet and then can install on their device. |
| Programs are developed to run on single platform or specific platform for which it is designed. | Applications are develop to run on more than single platform such as mobile device, pc, other electronic device, etc. |
| Programs do not require app to operate. | App requires programs to operate. |
| Features of programs include portability, cost effectiveness, efficient, maintainability, etc. | Features of application includes simplicity, security, speed, search options, etc. |