First of all, the lecture will most likely be held at a public place. The church members may decide to use their church edifice or a local auditorium, hotel meeting room, school gymnasium, even a church of another denomination. On occasion, churches have held their lectures in a park or in the public square. At least one church held its lecture in a busy shopping mall.
Once you're at the lecture location, you'll invariably find an usher or two, sometimes even older Sunday School pupils, welcoming you into the lecture hall. The ushers won't take you to your seat (unless you're late), but they will open the doors, show you the coat-room, and invite you to sit anywhere in the auditorium you wish.
Sometimes the members decide to have piano or organ music beforehand. The lecture is not a church service, but the music is designed to give a welcome to everyone. One lecture was held in an outdoor amphitheater in the woods, where some young musicians played medieval instruments before the talk began.
