Answer:

*The personal functions of art are often the most difficult to explain. ... Personal functions of art are not likely to be the same from person to person. An artist may create a piece out of a need for self-expression or gratification. They might also or instead want to communicate a thought or point to the viewer.

* it can help the others to express their expression thru doing arts.

*The posters visually convey each of ten select core values, including balance, hierarchy, pattern, rhythm, space, proportion, emphasis, movement, contrast, and unity

*Elements of art are stylistic features that are included within an art piece to help the artist communicate. The seven most common elements include line, shape, texture, form, space, colour and value, with the additions of mark making, and materiality.

*Check auction sales databases such as ArtNet to find images of other works by your artist and compare them with the work you have. If you only have only the first three letters of the artist's name, you can search ArtNet to try to find a name that is close to the name on your artwork.