Sometimes hypens are used to link words together to modify a single noun. These linked words are called?

Baca use comforting imagery. which lines have a more serious tone than the rest of the poem a. when the outside world / no longer cares if you live or die; b. so it is a pot full of yellow corn / to warm your belly in winter, c. remember. / i love you. d. it's all i have to give, / and all anyone needs to live,