the beauties of nature and the harmony between nature and humanity (as the central poetic theme of haiku)
A yojijukugo used in haiku poetics to describe the ideal of capturing nature's beauty and the deep, harmonious connection between the natural world and human experience. It is a specialized literary term.
See also: 花鳥風月
One can feel the spirit of 'the beauties of nature and the harmony between nature and humanity' in Bashō's haiku.
Kachōfūei is said to be not mere nature description, but the poetic expression of a profound communion between humans and nature.