Final answer:
Minarets, calligraphy writings, and arches and arch patterns are the most commonly used features in Islamic art and architecture.
Step-by-step explanation:
In Islamic art and architecture, the most commonly used features are minarets, calligraphy writings, and arches and arch patterns.
Minarets are tall, slender towers that are used to call Muslims to prayer.
Calligraphy writings, which often include Quranic verses, are used to decorate mosques and other Islamic buildings.
Arches and arch patterns are widely used in Islamic architecture, particularly in the form of horseshoe, pointed, and ogee arches.
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