common language
language variety accepted and understood by the entirety of a linguistic community, often identified with the standard or literary language or a lower register of it
en-GB/ˈkɒmən ˈlæŋɡwɪd͡ʒ/
en-US/ˈkɑmən ˈlæŋɡwɪd͡ʒ/
language variety accepted and understood by the entirety of a linguistic community, often identified with the standard or literary language or a lower register of it