Packaged software is a compilation of programs which are grouped together in order to provide publicly with different tools in the same group.
Custom software is a specific program that are advanced for a goal in a department or in a company.
<span>Black sockets should be used, but the color is not the reason why. Chrome sockets will cause splits to form in the socket walls pretty quickly, after only a few uses. But the black sockets are that color because they have gone through a process called Parkerizing that coats the surface of the socket in order to provide more resistance when being used and protect the socket against corrosion.</span>
One shortcoming of rapid application development (RAD) is a narrow focus, which might limit future development.