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.
To see different signs or inflections for other meanings using the word 'open', see synonyms or other words.
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
Meaning: (of a person) frank and communicative; not given to deception or concealment.
First 100 words.
As you feel more comfortable with the first few hundreds of ASL signs, progress further with your vocabulary and learn signing more.