A sachet /ˈsæʃeɪ/ is a small cloth scented bag filled with herbs, potpourri, or aromatic ingredients. A sachet is also a small porous bag or packet containing a material intended to interact with its atmosphere; for example desiccants are usually packed in sachets which are then placed in larger packages.

A sachet can be defined as a small soft bag containing perfumed or sweet-smelling items also referred to as an ascent bag, scent bag, sweet bag, sachet bag, sachet de senteurs, spiced sachet, potpourri sachet, scented sachet, perfume cushion, smelling cushion, scented cushion, fragrant bag, pomander and "dream pillow."

Cultural history

In the Han Dynasty both boys and girls wore sachets and in the Tang Dynasty and Song Dynasty scented bags gradually became preferred only by women. During the Chinese Warring States period a scented sachet was an ornament worn on the body and used to absorb sweat, repel insects and ward off evils. A scented sachet became a love token in the Qing Dynasty.Queen Isabella of Spain used fragrant sachets consisting of dried rose and carnation petals, orris and calamus root, and other ingredients like powdered coriander seeds. In the nineteenth century a sachet filled with hops was called a "Pulvinar Humuli" and used by George III of Great Britain and Prince Albert of Saxe-Coburg to help induce sleep.

.package is a file extension used by:

Package may refer to:

A package in the Unified Modeling Language is used "to group elements, and to provide a namespace for the grouped elements". A package may contain other packages, thus providing for a hierarchical organization of packages.

Pretty much all UML elements can be grouped into packages. Thus, classes, objects, use cases, components, nodes, node instances etc. can all be organized as packages, thus enabling a manageable organization of the myriad elements that a real-world UML model entails.

Usage

When organizing functional models (use case models, workflow models etc.), use packages to model the real-world modular structure of the system being modeled. When organizing source code, use packages to represent the different layers of the source code. For instance:

When organizing component models, use packages to group the components according to ownership and/or reuse possibilities. For instance: