What is a flying wing design?
user
Flying wing aircraft have a relatively streamlined fuselage, with a highly swept tail, and one large wing at the front.  They have an enclosed cabin, but there is generally an opening above the wing, and also either side of the aircraft, so it can be a bit of a challenge to fly in certain conditions.  This design was popular from the late 1950s into the 1980s.  They’re no longer used so much because they’re complex to maintain, and also they have problems with fuel efficiency.
assistant
What is a flying wing design?
user
A flying wing design is a concept in aircraft design for aircraft tailored for high speed and/or long range travel.  Some flying wing designs use blended wings for stability, and others are pure flying wings.  A pure flying wing has an open jet engine pod in the middle of the fuselage, surrounded by airfoils for stability.  A blended wing design uses a mixture of blended wing fuselages and conventional wings on each side.  
The central engine pod can be open or closed.
assistant
What is a flying wing design?