People are considered food secure when they have all-time access to sufficient, safe, nutritious food to maintain a healthy and active life. Food security analysts look at the combination of the following three main elements:
Food availability:
Food must be available in sufficient quantities and on a consistent basis.It considers stock and production in a given area and the capacity to bring in food from elsewhere, through trade or aid.
Food access:
People must be able to regularly acquire adequate quantities of food, through purchase, home production, barter, gifts, borrowing or food aid.
Food utilization:
Consumed food must have a positive nutritional impact on people. It entails cooking, storage and hygiene practices, individuals health, water and sanitations, feeding and sharing practices within the household.
From the World Food Programme