20s 25-30 years 30-35 years 30s 40-45 years 40s American Caucasian European adult appointment associates board boardroom briefing bright business businessman businessmen businesspeople businessteam businesswoman businesswomen colleagues color conference coworkers crew day demonstrate demonstrating discussing discussion doing engagement explain explaining face female females four fourties group horizontal image indoor indoors light listen listening male males man mature meeting men mid adult mid-adult middle-aged office partners partnership people person photo pointing present presentation presenting reasoning room row seated shirt showing sit sitting speaking staff standing stockphoto table talk talking team thirties twenties white white collar worker whiteboard woman women workplace young