sales promotion(n = noun.communication) - promotion that supplements or coordinates advertising;
is a kind of packaging, promotion, promotional material, publicity

gross sales, net sales, promotion, promotion system, sales, sales agreement, sales booth, sales campaign, sales demonstrator, sales department, sales division, sales event, sales finance company, sales force, sales incentive, sales outlet, sales pitch, sales rep, sales representative, sales resistance, sales staff, sales talk, sales tax