"Symmetrical lines" refers to a type of arrangement or pattern where two sides or parts mirror each other, creating a balanced and identical look. Full definition
Asymmetrical lines may be revealed, sometimes in combination with symmetrical lines. (theguardian.com)
Composed of the back legs of chairs and suspended from the ceiling, Twice Told forms a winding path of symmetrical lines; a whip - like form that references social constructs — from slavery to police brutality — that have long perpetuated hierarchies and stereotypes. (arthaps.com)