Final answer:
The very first mosque was in the courtyard of Muhammad's home. Mosques are places for prayer and community gatherings, with a focus on a large space for prayer.
Step-by-step explanation:
All of the answers are correct. The very first mosque was indeed believed to be in the courtyard of Muhammad's home. Historically, mosques served as not only places for prayer but also as community meeting places. Additionally, a large architectural space for prayer is central to the design of a mosque.
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