Symbol for gliding-casement door

[yes_and_no]

This is not really a Rv question per-se, but I ll ask anyway. What is the commonly understandable symbol for this door type ? Will a horizontal arrow be enough ?

 

[ToanDN]

That is a folding door.

[barthbradley]

...might even hear them referred to as "Bi-Fold" or  "Accordion" Doors.  

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