Ceramic accordance between structures at the termini and settlements on terra firma would be helpful.
They include terra firma and deux ex machina.
Of course, affinity may be found between two areas almost anywhere on terra firma.
I had sooner die hard on terra firma than tumble as some of the idealists will, from a castle in the air.
Have we not many problems confronting us on terra firma without going elsewhere?
I am someone who prefers to keep his feet firmly on terra firma and it was extremely helpful to hear his remarks.
The difference between us was that we did survive, to land on terra firma.
For me, the greatest joy of flying is the reassuring moment when the undercarriage makes firm and continued re-contact with terra firma.