Symmetrical
"to measure together") has two meanings. The first is a vague sense of harmonious and beautiful proportion and balance.[1][2] The second is an exact mathematical "patterned self-similarity" that can be demonstrated with the rules of a formal system, such as geometry or physics.
In this photo of a swimming pool , I see water and side stands. The symmetry, can be seen in the pool and the stands. This symmetry conveys a sense of equality in my opinion. This image is appealing to me because of the size of the pool.
In this photo of a telephone pole I see the poles that make up the pole and trees. The , can be seen in the the metal structures. This (descriptive Element of Art) conveys a sense of confinement in my opinion. This image is appealing to me because of the amount of poles.