So if you were told the board of a company Unanimously Approved something, would it be secretly understood by you to mean there might be only a handful of board

So if you were told the board of a company Unanimously Approved something, would it be secretly understood by you to mean there might be only a handful of board members present and that they didn’t actively agree to the motion, they were just playing with their phones or something and ignored it? All I was trying to say was I’m fine with it if this is understood to be how things are done in the US, but it’s not correct use of the terms unanimous or approved, certainly in the way they are used in day to day English.