Microbiota	microorganisms present in a defined environment [46]
Metagenome	the collection of genomes and genes sequenced from members of a microbiota [46]
Microbiome	the entire habitat, including the microorganisms, their genomes, and the surrounding environmental conditions [46]
Metabolome	collection of all metabolites present in the cell that are participants in general metabolic reactions [47]
Omics	large-scale study of data representing an entire set of molecules, such as proteins, lipids, or metabolites, in a cell, organ, or organism
Multiomics	an approach that examines multiple omics data sets such as genomics, proteomics, transcriptomics, metabolomics, and microbiomics