Another important element of modernist poetry is the use of new and wide range of subjects, themes and issues. Traditional poetry had to be limited to subjects of universal significance, general human appeal, and so on, even when the poems were romantically personal on their surface.nother important element of modernist poetry is the use of new and wide range of subjects, themes and issues. Traditional poetry had to be limited to subjects of universal significance, general human appeal, and so on, even when the poems were romantically personal on their surface.