Genomics is the scientific study of genomes.
Genomics is a discipline in omics about the genomes and associated omes of organisms, populations, and species.
A genome is the holistic set of genetic entities in a species and life.
Human genome means Homo sapiens genome.
Genome includes all kinds of genetic elements such as exon, intron, promoter, intergenic region, and repeats.
Orfome: The ome of ORFs (also written as Orfeome)
Exonome: the whole set of exons.