Many poems by unknown composers remain.
作者 is a broad term for author or creator of any work, not limited to poetry.
Preferred kanji spelling for 'poem composer', emphasizing the act of composing poetry.
Abbreviated kanji form, less common.
Alternate spelling using the general kanji for 'read', also used for poem composers.
Abbreviated kanji form, less common.
Compound of 詠み (yomi, 'composing poetry', continuative form of 詠む) + 人 (hito, 'person'), with rendaku voicing of ひと to びと.