In communicating the unique customer benefits of its various products to its target segments, thermos is defining its which is an important element of its overall strategy.

If this is the complete question,
In communicating the unique customer benefits of its various products to its target segments, Thermos is defining its , which is an important element of its overall strategy.
A. target market; positioning
B. value proposition; positioning
C. value proposition; perceptual mapping
D. value proposition; segmentation
E. value proposition; targeting

The answer is.
In communicating the unique customer benefits of various product to its target segments. Thermos is defining its target market, as an important element of overall positioning strategy. According to Investopedia, it is defined as the market a company wants to sell its products and services to, and it includes a targeted set of customers for whom it directs its marketing efforts.