Definition - What does AppleScript mean?
AppleScript is a scripting language developed by Apple Inc. for the Macintosh operating system. It is commonly used for programming using common gateway interfaces with Macintosh-based Web servers. It is an “English-like” scripting language that is easy to use and understand. AppleScript is an object-oriented language with inheritance and delegation.
Techopedia explains AppleScript
AppleScript was developed so that users (not necessarily programmers) could have quick access to controlling the function of the Mac operating system. This provides an intelligent method for controlling applications and accessing and modifying documents.
AppleScript may be referred to as a scripting language or the interface used for writing scripts. Over time, it has become a robust scripting language capable of doing many things. AppleScript provides an easy and direct way to write immediate scripts that extend an operating system's functionality without writing or rewriting the whole program.