1 brand loyalty
"Brand loyalty" (noun phrase) is a customer's feeling of support for a particular company or product. Customers who have brand loyalty buy the same brand again and again. "Brand loyalty" is an uncountable noun.
Brand loyalty is not something that comes overnight. It takes time to earn a customer's trust.
2 react
"React" (verb) means to act in a certain way after something happened or was said to you. "React" is not used with an object. Another form is "reaction" (noun).
We didn't react to save our business.
How did they react when the chairman announced that he was resigning?
3 protect
"Protect" (verb) means to keep someone or something safe from damage or injury. "Protect" is used with an object. Other forms are "protection" (noun) and "protective" (adjective).
We need to protect our computer files, so be sure you make copies of everything.
4 media mix
A "media mix" (noun phrase) is the combination of television, radio, newspaper, or other advertising that a company uses.
The company's media mix relies very heavily on television. It spends more than 90 percent of its advertising budget on television commercials.
5 sophisticated
"Sophisticated" (adjective) means having or showing a lot of understanding of culture and the world. "Sophisticated" can also mean done or made in a complicated way. Another form is "sophistication" (noun).
He doesn't have very sophisticated tastes. He didn't even know what caviar is.