It means wear whatever will make you happy at our event. Weather permitting, we'll be in an indoor/outdoor space, and it will be late July in DC, so consider lighter clothing and layers. No ties required.
Definitely not. We hope you'll join us for the length of our celebration, but we've set aside the first hour as a welcome reception with appetizers to give everyone time to arrive.
Definitely. This is a family event. Just let us know so we have enough family-friendly food.