There are many different ASL signs for the English word "open", such opening a door, a window, a book, and so on, usually using a classifier in a verb phrase.
Definition: not closed or barred at the time, as a doorway by a door, a window by a sash, or a gateway by a gate; not shut or blocked; not closed.
This sign refers to an abstract concept rather than physical-related concepts. E.g. "The store opens at 7am."
Related signs: AJAR
Written ASL digit for "OPEN DOOR" contributed by the ASLwrite community, 2017.