Simplify the following text for a Grade 13 native English-speaking person.
Original: Aligned with and often used in the architecture of Islamic civilations spanning the 7th century-20th century , geometric patterns were used to visually connect spirituality with science and art , both of which were key to Islamic thought of the time .
Simplified: Geometric patterns were often used in the architecture of Islamic civilisations from the 7th century-20th century , to visually connect spirituality with science and art .