The document discusses omics technology and its various applications in the field of nutrition. It defines omics as the comprehensive study of biological systems using techniques like genomics, transcriptomics, proteomics and metabolomics. Nutrigenomics applies these omics approaches to study how food and dietary components influence gene expression. Key applications mentioned include using nutrigenomics to develop foods that can prevent and treat diseases by modulating gene expression, and analyzing gene-diet interactions that could increase risk of conditions like diabetes.