IDE combines the editor, compiler and other useful tools in the same software package. Its advantage is that when a program with syntax errors is compiled, the programmer sees the error messages and the original program at the same time -- this makes debugging much easier. Also, some IDEs contain debuggers. Visual J++, VisualAge for C++ or Java, Java WorkShop, and Visual Caf�?�© are IDEs.
From : www.course.com/careers/glossary/programming.cfm
Practical extraction and reporting language, or Perl, is a scripting language first created by Larry Wall to be used as duct tape for programming with the Unix operating system. Due to its immense power for handling piles of text and, consequently, as a common gateway interface (CGI) scripting language, Perl became very popular among server-side scripters. Perl has a large community of contributing programmers and, what's more, costs nothing and is free to redistribute. ...
From : datacenter.5points.net/datacenter/support/glossary/