Daniel Tammet uses the word symmetrical to describe how he
envisions squared numbers. The word
symmetrical ends with the Latin suffix -
ical, which means "having to do with,"
"made of," or "characterized by." Find
other words in the selection that have
this suffix. Use a dictionary to verify the
precise meanings of these words.
.

I think you can get away with used as

Tapestry  was designed to be viewed vertically. understanding its design requires considering its artistic format. wall hangings were common forms of art beginning in the 10th   century. the artist thus used this artistic form of a wall hanging to create a continuous flow of visual narration; a historical account created with an artistic medium. styles unique to this work such as the use of white space to allow imaginative infinite space provide this particular historical narrative with added artistic value.