How to make a marketing solutions for small group of people which are not in that branche?

I think after researching , studying and Data analysis the business climate related to this branch that's give me focus about society and the system of promoting to the appropriate culture of consumer and whether there are other categories can be targeted to increase sales and confidence of customers or notalso that is give me focus to know how i can competition and draw a larger slice of customers into the market

I wish if i choose the right word to show it