+**Tatami** are traditional Japanese [mats](/wiki/mat) crafted from woven rush grass, forming a distinctive resilient floor. These rectangular units, often filled with rice straw, define the sacred and functional space within a [room](/wiki/room). Their precise dimensions have historically dictated the layout of traditional Japanese architecture.
+## See also
+- [Japan](/wiki/japan)
+- [Architecture](/wiki/architecture)
+- [Zen](/wiki/zen)
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