Answer:
The author's position on significant themes
Explanation:
When the reader analysis some book, an essay, a poem or other form of literary work, he/she can notice, see and figure out all the elements in a literary work. A deeper analysis of the structure of literary work can help the reader to understand the acts of character or to find out the allusion to other literary works.
An insight that could be gained about an author's work through the analysis of images and moods is the author's position to signifies themes. The author can use the poetic image and moods to characterize some historical periods or important events or to write about some turn in people's life and express opinion.
Throw image or mood the author can highlight own position to themes. For example, the author can describe an image of a woman that works a lot and has no time for herself. The image could include her strength, will to do all the chores and work and with this image, the author can emphasize the position of women and his/her position to important theme.