Quorum of board may not conduct business at social gathering without proper notice (FL)

Q: First, is an HOA board allowed to have meetings during a “social gathering,” such as dinners and drinks at a board member’s house, where they discuss community business without noticing the owners? Second, if a notice is given or posted (our governing documents say three days’ notice is required) is that business days or all days, and does that include holidays? It doesn’t say in our documents. Read the Q&A……………………………….