Definition: An Editor is an program much like a Word Processor that you use to edit the Source Code of any program you write.
Most IDEs come with a built in editor and some will automatically highlight compile errors in the editor to simplify fixing them.
Glossary:
A B C D E F G H I J K L M N O P Q R S T U V W X Y ZAlso Known As: Text Editor
Examples:
Some programmers are happy to use Notepad as their preferred editor.

