2 40 40-45 40-50 40s 45 45-50 50 adult adults and appearance back being beings blond blonde blur blurred board body business businessman businessmen businesspeople businessperson businesspersons businesswoman businesswomen casual caucasian caucasians chart charts color colour communication competence conference confidence confident convince convincing cooperation day daylight daytime dressed european explain explaining female females flip focus foreground from full germany gray gray-haired grey grey-haired grown-up grown-ups grownup grownups hair hairs happiness happy head human humans image indoor indoors interior interiors laughing life male males man marker mature meeting men notice number numbers office offices on only open part people person persons persuade photo photograph photographies photographs photography photos pin plan planned planning presenting push rear shot shots shoulder shoulders show showing sit sitting skill smart smile smiling stand standing suit suits table tables team teamwork teamworking the to together togetherness toothy two up upper view waist waist-up well woman women work world write writing years