coverage

nouns

the total amount and type of insurance carried
is derived from
the extent to which something is covered
"the dictionary's coverage of standard English is excellent"
is derived from
is a type of (narrower)
the distance or area or volume over which something extends
"the vast extent of the desert"; "an orchard of considerable extent"
the news as presented by reporters for newspapers or radio or television
"they accused the paper of biased coverage of race relations"
is derived from