Complex sentence: The Grand National Assembly of Turkey (- "TBMM", usually referred to simply as "Meclis"- "the Parliament") is the unicameral parliament of Turkey which is the sole body given the legislative prerogatives by the Turkish Constitution.
Split into simpler sentences: The Grand National Assembly of Turkey (TBMM,) usually referred to simply as Meclis ("Parliament") is the unicameral Turkish legislature. It is the sole body given the legislative prerogatives by the Turkish Constitution.