A distribution where all the population of an area (e.g. a refugee camp) receives a food ration. This ration can be a full ration (covering the minimum nutritional needs of individuals) or a supplementary ration (a ration supplementing the diet of the population).
A system which combines a computer mapping programme with a database including geographical information, in order to make a map on a topic of interest. It can be done for many types of data (e.g. malnutrition rates by area or neighbourhood, type of livelihood by region, etc.).
The GPS is a device which gives the exact latitude and longitude of a particular site. It is used for navigation and mapping (e.g. in the GIS system).
A water network which uses gravity as the driving force.