What do you do in social media marketing?

social media marketing is about market a brand, product or service it tells their audience that this product is also available in the market, social media contains huge amount of traffic most of the people are active on facebook, instagram and  twitter. a social media marketer promote the brand product or service on different social media platforms to increase the reach and to engage their audience, basically a social media marketer manages the different business page of different platforms, a marketer and his team firstly make the strategy to promote a brand, they make a manual of 15-30 days, the manual  consist of working  strategy of all 15-30 days, a manual contains of all the  post types which they are going to post each day and mostly on which platform, they  also select the primary and secondary social media platforms according to niche of the brand, then they start posting the effective  post according to manual and at last  they measure the roi of the campaign, like this a social media marketer do the marketing of a brand.