Answer:
Competitive analysis
Explanation:
Competitive analysis is an aspect of the marketing plan that attempt to understand the strategies of those already existing in a market you are planning to enter so that you can know how to position your product in response.
It is stated in the scenario that ''the marketing team of Famegems conducts a detailed study on the business, marketing strategies, and customer base of Glittenra.'' which is the market they are planning to enter.
Hence the marketing team of Famegems is most likely using competitive analysis.