**4. Food security and its dimensions**

According to the definition, there have been identified four different aspects of food security [12]. Availability of food is the first dimension of food security that deals with the production of food locally and bringing it in from other countries. Second is the accessibility of food to everybody. The consumer is able to pay for the food, and the food can reach the consumer.

Along with such financial and physical availability, sociocultural availability assures that the food is appropriate for the culture, and social safety networks are available to help those who are less fortunate. Utilization is the third dimension that describes that a person realizes his extraordinary potential and lives a successful as well as healthy life; they have sufficient amounts of food both in terms of quantity and quality. The ability of a nation, community, and a person to absorb the shocks of the system of the food chain, whether those stresses are generated by natural calamities like climate change and earthquakes or those that are man-made, also underlies the domain of stability, which describes specific topics like wars and economic crisis. Sustainability indicators at a global or local level include biodiversity, climate change, and ecology in addition to socioeconomic and sociocultural variables [19].
