face. whole body. Figure of speech Synecdoche (of Part). App-6.
bread. all kinds of food. Figure of speech Synecdoche (of Species).
dust. This is literal. See Genesis 2:7; Psalms 103:14.Ecclesiastes 12:7; 1 Corinthians 15:47. Note the emph. by Introversion. return.. it. (dust).. dust.. return.