attendance audience communication information listening observing participants seated seminar seminar audience sharing taking note taking notes attendees listeners meeting members observing participation people readiness ready seating Speaker speaking visitors church congregants congregation lighting members monitors speakers waiting break coffee color colored colorful colors colour coloured colourful colours conference cups cutlery display drinks food glasses light lights pause plates plateware prepared refresh refreshing refreshments saucers serve served service snacks sugar sweetning tea urns water agenda architecture arranged Ashton auditorium business chair chairs classical concert convention discussion empty entertainment event floor function furniture guest guests hall Lancaster lecture marble memorial Palladian place private room semi-circle stone talk theatre venue wall walls window access advice announcement appearance background behind coloring colouring communicating covered declaration detail direction education educative flowers foliage hidden informative informing learning lettering message notice notification seminars sign signs surface surfaces teaching welcome word