(computing) The tool used by an operating system (OS) to administrate addition, removal and upgrade of software applications. Examples of package management systems on different OSes are: Linux: RPM; Solaris: pkgadd; HP-UX: SD-UX; Debian: apt-get; Win32: Windows Installer.

plural of package management system

(computing) A document, used in the design of an IT project, that specifies the requirements from the viewpoint of the client and defines how these are actually fulfilled from a technical and organizational point of view

plural of service design package

Things should not be underestimated because of their small size.

(historical) A set of scientific equipments used at the landing sites of the last few Apollo missions to the Moon

Small gestures of help and kindness matter more than costly and exorbitant bestowals.