adult

audience

auditorium

briefing

business

businessman

center

communicating

communication

conference

congress

convention

cooperation

crowd

discussion

education

entrepreneur

event

executive

expert

explaining

finance

gesture

group

hall

information

knowledge

lecture

listening

male

man

manager

meeting

modern

nape

occupation

partnership

people

presentation

public

seminar

speaker

speech

study

talking

teaching

teamwork

training

university

workshop